Configure i18next with all locales

I noticed that we aren't i18next checking all locales. Should we be? I think it might help keep things consistent.

It also appears to be highlighting some non-visible characters in some entries

locales/cs/app.json

@@ -4,44 +4,128 @@
   },
   "action": {
     "close": "Zavřít",
+    "copy_link": "",
+    "edit": "",
     "go": "Pokračovat",
+    "invite": "",
+    "lower_hand": "",
     "no": "Ne",
+    "pick_reaction": "",
+    "raise_hand": "",
     "register": "Registrace",
     "remove": "Odstranit",
+    "show_less": "",
+    "show_more": "",
     "sign_in": "Přihlásit se",
-    "sign_out": "Odhlásit se"
+    "sign_out": "Odhlásit se",
+    "submit": "",
+    "upload_file": ""
   },
+  "analytics_notice": "By participating in this beta, you consent to the collection of anonymous data, which we use to improve the product. You can find more information about which data we track in our <2>Privacy Policy</2> and our <6>Cookie Policy</6>.",
+  "app_selection_modal": {
+    "continue_in_browser": "",
+    "open_in_app": "",
+    "text": "",
+    "title": ""
+  },
+  "application_opened_another_tab": "",
+  "browser_media_e2ee_unsupported": "",
+  "browser_media_e2ee_unsupported_heading": "",
   "call_ended_view": {
+    "body": "You were disconnected from the call",
     "create_account_button": "Vytvořit účet",
     "create_account_prompt": "<0>Proč neskončit nastavením hesla, abyste mohli účet použít znovu?</0><1>Budete si moci nechat své jméno a nastavit si avatar pro budoucí hovory </1>",
-    "not_now_button": "Teď ne, vrátit se na domovskou obrazovku"
+    "feedback_done": "<0>Thanks for your feedback!</0>",
+    "feedback_prompt": "<0>We'd love to hear your feedback so we can improve your experience.</0>",
+    "headline": "",
+    "not_now_button": "Teď ne, vrátit se na domovskou obrazovku",
+    "reconnect_button": "",
+    "survey_prompt": ""
   },
+  "call_name": "",
   "common": {
+    "analytics": "",
+    "audio": "",
+    "avatar": "",
+    "back": "",
     "camera": "Kamera",
     "display_name": "Zobrazované jméno",
+    "encrypted": "",
+    "error": "",
     "home": "Domov",
     "loading": "Načítání…",
     "microphone": "Mikrofon",
+    "next": "",
+    "options": "",
     "password": "Heslo",
+    "preferences": "",
     "profile": "Profil",
+    "reaction": "",
+    "reactions": "",
     "settings": "Nastavení",
-    "username": "Uživatelské jméno"
+    "something_went_wrong": "",
+    "unencrypted": "",
+    "username": "Uživatelské jméno",
+    "video": ""
   },
+  "developer_mode": {
+    "crypto_version": "",
+    "debug_tile_layout_label": "",
+    "device_id": "",
+    "duplicate_tiles_label": "",
+    "hostname": "",
+    "matrix_id": ""
+  },
+  "disconnected_banner": "",
   "full_screen_view_description": "<0>Odeslání ladících záznamů nám pomůže diagnostikovat problém.</0>",
   "full_screen_view_h1": "<0>Oops, něco se pokazilo.</0>",
+  "group_call_loader": {
+    "banned_body": "",
+    "banned_heading": "",
+    "call_ended_body": "",
+    "call_ended_heading": "",
+    "failed_heading": "",
+    "failed_text": "",
+    "knock_reject_body": "",
+    "knock_reject_heading": "",
+    "reason": ""
+  },
+  "hangup_button_label": "",
   "header_label": "Domov Element Call",
+  "header_participants_label": "",
+  "invite_modal": {
+    "link_copied_toast": "",
+    "title": ""
+  },
   "join_existing_call_modal": {
     "join_button": "Ano, připojit se",
     "text": "Tento hovor již existuje, chcete se připojit?",
     "title": "Připojit se k existujícimu hovoru?"
   },
+  "layout_grid_label": "",
   "layout_spotlight_label": "Soustředěný mód",
   "lobby": {
-    "join_button": "Připojit se k hovoru"
+    "ask_to_join": "",
+    "join_as_guest": "",
+    "join_button": "Připojit se k hovoru",
+    "leave_button": "",
+    "waiting_for_invite": ""
   },
+  "log_in": "",
   "logging_in": "Přihlašování se…",
   "login_auth_links": "<0>Vytvořit účet</0> Or <2>Jako host</2>",
+  "login_auth_links_prompt": "",
+  "login_subheading": "",
   "login_title": "Přihlášení",
+  "microphone_off": "",
+  "microphone_on": "",
+  "mute_microphone_button_label": "",
+  "participant_count_one": "",
+  "participant_count_few": "",
+  "participant_count_many": "",
+  "participant_count_other": "",
+  "qr_code": "",
+  "rageshake_button_error_caption": "",
   "rageshake_request_modal": {
     "body": "Jiný uživatel v tomto hovoru má problémy. Abychom mohli diagnostikovat problém, rádi bychom shromáždili protokoly ladění.",
     "title": "Žádost o protokoly ladění"
@@ -49,6 +133,8 @@
   "rageshake_send_logs": "Poslat ladící záznam",
   "rageshake_sending": "Posílání…",
   "rageshake_sending_logs": "Posílání ladícího záznamu…",
+  "rageshake_sent": "",
+  "recaptcha_caption": "This site is protected by ReCAPTCHA and the Google <2>Privacy Policy</2> and <6>Terms of Service</6> apply.<9></9>By clicking \"Register\", you agree to our <12>End User Licensing Agreement (EULA)</12>",
   "recaptcha_dismissed": "Recaptcha byla zamítnuta",
   "recaptcha_not_loaded": "Recaptcha se nenačetla",
   "register": {
@@ -57,18 +143,60 @@
   },
   "register_auth_links": "<0>Už máte účet?</0><1><0>Přihlásit se</0> Or <2>Jako host</2></1>",
   "register_confirm_password_label": "Potvrdit heslo",
+  "register_heading": "",
   "return_home_button": "Vrátit se na domácí obrazovku",
+  "room_auth_view_continue_button": "",
+  "room_auth_view_eula_caption": "By clicking \"Join call now\", you agree to our <2>End User Licensing Agreement (EULA)</2>",
   "screenshare_button_label": "Sdílet obrazovku",
   "settings": {
-    "developer_settings_label": "Vývojářské nastavení",
-    "developer_settings_label_description": "Zobrazit vývojářské nastavení.",
+    "audio_tab": {
+      "effect_volume_description": "",
+      "effect_volume_label": ""
+    },
     "developer_tab_title": "Vývojář",
+    "feedback_tab_body": "",
+    "feedback_tab_description_label": "",
     "feedback_tab_h4": "Dát feedback",
     "feedback_tab_send_logs_label": "Zahrnout ladící záznamy",
-    "more_tab_title": "Více",
+    "feedback_tab_thank_you": "",
+    "feedback_tab_title": "",
+    "opt_in_description": "<0></0><1></1>You may withdraw consent by unchecking this box. If you are currently in a call, this setting will take effect at the end of the call.",
+    "preferences_tab": {
+      "developer_mode_label": "",
+      "developer_mode_label_description": "",
+      "reactions_play_sound_description": "",
+      "reactions_play_sound_label": "",
+      "reactions_show_description": "",
+      "reactions_show_label": ""
+    },
+    "preferences_tab_body": "",
+    "preferences_tab_show_hand_raised_timer_description": "",
+    "preferences_tab_show_hand_raised_timer_label": "",
     "speaker_device_selection_label": "Reproduktor"
   },
+  "star_rating_input_label_one": "",
+  "star_rating_input_label_few": "",
+  "star_rating_input_label_many": "",
+  "star_rating_input_label_other": "",
+  "start_new_call": "",
+  "start_video_button_label": "",
+  "stop_screenshare_button_label": "",
+  "stop_video_button_label": "",
+  "submitting": "",
+  "switch_camera": "",
   "unauthenticated_view_body": "Nejste registrovaní? <2>Vytvořit účet</2>",
+  "unauthenticated_view_eula_caption": "By clicking \"Go\", you agree to our <2>End User Licensing Agreement (EULA)</2>",
   "unauthenticated_view_login_button": "Přihlásit se ke svému účtu",
-  "version": "Verze: {{version}}"
+  "unmute_microphone_button_label": "",
+  "version": "Verze: {{version}}",
+  "video_tile": {
+    "always_show": "",
+    "change_fit_contain": "",
+    "collapse": "",
+    "expand": "",
+    "mute_for_me": "",
+    "muted_for_me": "",
+    "volume": "",
+    "waiting_for_media": ""
+  }
 }