feat: announcement

database/migrations/2026_06_24_100000_create_announcements_table.php

@@ -0,0 +1,27 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('announcements', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('image_id')->nullable()->constrained('images')->nullOnDelete();
+            $table->string('title');
+            $table->text('description')->nullable();
+            $table->string('link')->nullable();
+            $table->dateTime('start_date')->nullable();
+            $table->dateTime('end_date')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('announcements');
+    }
+};