Add "Notes" to Airports (#1467)

* Notes for Airports

Adds capability of having notes/remarks for airports, includes

* New database field
* Airport Model change
* CSV Import/Export capability for notes
* Admin Airports list page change
* Admin Airports edit page change
* Default Template Airport show page change

* Update Airport Tests

* Add the new field to source csv
* Check if the import works

* Update AirportFactory.php

Co-authored-by: Nabeel S <nabeelio@users.noreply.github.com>

app/Database/factories/AirportFactory.php

@@ -63,6 +63,7 @@ class AirportFactory extends Factory
             'lat'                  => $this->faker->latitude,
             'lon'                  => $this->faker->longitude,
             'hub'                  => false,
+            'notes'                => null,
             'ground_handling_cost' => $this->faker->randomFloat(2, 0, 500),
             'fuel_100ll_cost'      => $this->faker->randomFloat(2, 1, 10),
             'fuel_jeta_cost'       => $this->faker->randomFloat(2, 1, 10),

app/Database/migrations/2022_07_12_142108_add_notes_to_airports.php

@@ -0,0 +1,14 @@
+<?php
+
+use App\Contracts\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class() extends Migration {
+    public function up()
+    {
+        Schema::table('airports', function (Blueprint $table) {
+            $table->mediumText('notes')->nullable()->after('hub');
+        });
+    }
+};