feat: create new migration file & delete redundant migration file

Author: zigzagdev

src/database/migrations/2026_03_13_153145_add_study_region_to_world_heritage_sites.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('world_heritage_sites', function (Blueprint $table) {
+            $table->string('study_region')->nullable()->after('country');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('world_heritage_sites', function (Blueprint $table) {
+            $table->dropColumn('study_region');
+        });
+    }
+};

src/database/migrations/2026_03_13_153534_drop_images_table.php

@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::dropIfExists('images');
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::create('images', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->unsignedInteger('world_heritage_id')->index();
+            $table->string('disk');
+            $table->string('path');
+            $table->unsignedInteger('width')->nullable();
+            $table->unsignedInteger('height')->nullable();
+            $table->string('format', 10)->nullable();
+            $table->string('checksum', 64)->nullable()->index();
+            $table->unsignedInteger('sort_order')->default(0);
+            $table->string('alt')->nullable();
+            $table->string('credit')->nullable();
+            $table->timestamps();
+
+            $table->foreign('world_heritage_id')
+                ->references('id')
+                ->on('world_heritage_sites')
+                ->cascadeOnDelete();
+
+            $table->unique(['disk', 'path']);
+            $table->index(['world_heritage_id', 'sort_order']);
+        });
+    }
+};