first commit

data/fields/tower/construction.json

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+{
+    "key": "tower:construction",
+    "type": "combo",
+    "label": "Construction",
+    "placeholder": "Guyed, Lattice, Concealed, ...",
+    "icons": {
+        "freestanding": "roentgen-tube",
+        "guyed_lattice": "roentgen-lattice_guyed",
+        "guyed_tube": "roentgen-tube_guyed",
+        "lattice": "roentgen-lattice"
+    }
+}

data/fields/tower/platforms.json

@@ -0,0 +1,7 @@
+{
+    "key": "tower:platforms",
+    "type": "number",
+    "minValue": 1,
+    "label": "Platforms",
+    "placeholder": "1, 2, 3..."
+}

data/fields/tower/type.json

@@ -0,0 +1,5 @@
+{
+    "key": "tower:type",
+    "type": "combo",
+    "label": "Type"
+}