feat: update Flight.php and User.php

app/Models/Flight.php

@@ -102,4 +102,9 @@ class Flight extends Model
     {
         return $this->morphMany(Favorite::class, 'favoritable');
     }
+
+    public function comments()
+    {
+        return $this->morphMany(Comment::class, 'commentable');
+    }
 }

app/Models/User.php

@@ -76,4 +76,8 @@ class User extends Authenticated
     {
         return $this->hasMany(Favorite::class);
     }
+    public function comments()
+    {
+        return $this->hasMany(Comment::class);
+    }
 }