Added admin controls for missing airlines

app/Models/UserFlightIgnoreMissingAirline.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class UserFlightIgnoreMissingAirline extends Model
+{
+    protected $table = 'user_flights_ignore_missing_airlines';
+
+    protected $fillable = [
+        'user_flight_id',
+    ];
+
+    public function userFlight(): BelongsTo
+    {
+        return $this->belongsTo(UserFlight::class);
+    }
+}