[Update] Studio Schema

- Added `alternative_names` column
- Added `defunct_at` column
- Added `japanese_name` column
- Added `social_urls` column
- Added `success_id` column
- Renamed `founded` to `founded_at` for consistency

database/migrations/2018_08_17_102447_create_studios_table.php

@@ -17,18 +17,23 @@ public function up(): void
     {
         Schema::create(Studio::TABLE_NAME, function (Blueprint $table) {
             $table->id();
+            $table->unsignedBigInteger('successor_id')->nullable();
             $table->unsignedBigInteger('tv_rating_id')->nullable();
             $table->unsignedInteger('mal_id')->nullable();
             $table->unsignedTinyInteger('type');
             $table->string('slug');
             $table->string('name');
+            $table->string('japanese_name')->nullable();
+            $table->json('alternative_names')->nullable();
             $table->mediumText('about')->nullable();
             $table->mediumText('address')->nullable();
-            $table->date('founded')->nullable();
+            $table->json('social_urls')->nullable();
             $table->json('website_urls')->nullable();
             $table->boolean('is_nsfw')->default(false);
             $table->unsignedBigInteger('rank_total')->default(0);
             $table->integer('view_count')->default(0);
+            $table->date('founded_at')->nullable();
+            $table->date('defunct_at')->nullable();
             $table->timestamps();
             $table->softDeletes();
         });
@@ -43,6 +48,11 @@ public function up(): void
             $table->unique(['mal_id', 'type', 'name']);
 
             // Set foreign key constraints
+            $table->foreign('successor_id')
+                ->references('id')
+                ->on(Studio::TABLE_NAME)
+                ->nullOnDelete()
+                ->cascadeOnUpdate();
             $table->foreign('tv_rating_id')
                 ->references('id')
                 ->on(TvRating::TABLE_NAME)