feat: tambah fitur iuran anggota (MemberDue)

database/migrations/2026_04_03_205932_create_member_dues_table.php

@@ -0,0 +1,30 @@
+<?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('member_dues', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained('users');
+            $table->unsignedInteger('amount');
+            $table->string('period'); // format: YYYY-MM
+            $table->enum('status', ['lunas', 'belum'])->default('belum');
+            $table->date('paid_at')->nullable();
+            $table->text('notes')->nullable();
+            $table->foreignId('created_by')->constrained('users');
+            $table->timestamps();
+
+            $table->unique(['user_id', 'period']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('member_dues');
+    }
+};