feat(webstatement): implement periode statement management feature

- Menambahkan menu "Periode Statement" pada module.json dengan akses untuk role administrator.
- Menambahkan model `PeriodeStatement` dengan fitur tracking user dan scoped query.
- Menyediakan controller `PeriodeStatementController` dengan fungsi CRUD, otorisasi, proses, ekspor data ke Excel, dan datatables.
- Menambahkan request validation melalui `PeriodeStatementRequest`.
- Menyediakan view untuk list, create, edit, dan otorisasi periode statement.
- Menambahkan routing termasuk resource routes dan breadcrumbs untuk mendukung fitur ini.
- Menambahkan migrasi database `periode_statements` dengan kolom untuk menyimpan data periode, status, otorisasi, serta metadata.
- Fitur ini memungkinkan pengelolaan dan pemrosesan periode statement secara terstruktur dan aman.

Signed-off-by: Daeng Deni Mardaeni <ddeni05@gmail.com>

database/migrations/2025_05_11_145009_create_periode_statements_table.php

@@ -0,0 +1,48 @@
+<?php
+
+    use Illuminate\Database\Migrations\Migration;
+    use Illuminate\Database\Schema\Blueprint;
+    use Illuminate\Support\Facades\Schema;
+
+    class CreatePeriodeStatementsTable extends Migration
+    {
+        /**
+         * Run the migrations.
+         *
+         * @return void
+         */
+        public function up()
+        {
+            Schema::create('periode_statements', function (Blueprint $table) {
+                $table->id();
+                $table->string('periode'); // Format YYYY-MM
+                $table->enum('status', ['pending', 'processing', 'completed', 'failed'])->default('pending');
+                $table->enum('authorized_status', ['pending', 'approved', 'rejected'])->default('pending');
+                $table->text('notes')->nullable();
+                $table->timestamp('processed_at')->nullable();
+
+                // User tracking fields
+                $table->unsignedBigInteger('created_by')->nullable();
+                $table->unsignedBigInteger('updated_by')->nullable();
+                $table->unsignedBigInteger('deleted_by')->nullable();
+                $table->unsignedBigInteger('authorized_by')->nullable();
+                $table->timestamp('authorized_at')->nullable();
+
+                $table->timestamps();
+                $table->softDeletes();
+
+                // Add unique constraint to prevent duplicate periods
+                $table->unique('periode');
+            });
+        }
+
+        /**
+         * Reverse the migrations.
+         *
+         * @return void
+         */
+        public function down()
+        {
+            Schema::dropIfExists('periode_statements');
+        }
+    }