feat(Mail template & Membership relationship)

database/migrations/2026_02_10_095945_create_notification_templates_table.php

@@ -0,0 +1,34 @@
+<?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::create('notification_templates', function (Blueprint $table) {
+            $table->id();
+            $table->string('identifier')->unique();
+            $table->string('name');
+            $table->string('subject');
+            $table->longText('body');
+            $table->json('variables')->nullable();
+            $table->boolean('is_active')->default(true);
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('notification_templates');
+    }
+};