feat(laporan_external): tambahkan fitur laporan eksternal

- Menambahkan controller LaporanExternalController untuk mengelola laporan eksternal.
- Menambahkan request LaporanExternalRequest untuk validasi data laporan eksternal.
- Menambahkan model LaporanExternal untuk interaksi dengan database.
- Menambahkan migrasi untuk tabel laporan_externals dengan kolom yang diperlukan.

database/migrations/2025_03_06_012851_create_laporan_externals_table.php

@@ -0,0 +1,46 @@
+<?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('laporan_externals', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('permohonan_id')->constrained('permohonans')->onDelete('cascade');
+            $table->string('nomor_laporan');
+            $table->date('tgl_final_laporan');
+            $table->decimal('nilai_pasar', 15, 2);
+            $table->decimal('indikasi_nilai_likuidasi', 15, 2);
+            $table->decimal('indikasi_nilai_pasar_tanah', 15, 2);
+            $table->decimal('estimasi_harga_tanah', 15, 2);
+            $table->decimal('estimasi_harga_bangunan', 15, 2);
+            $table->decimal('indikasi_nilai_pasar_bangunan', 15, 2);
+            $table->decimal('indikasi_nilai_pasar_sarana_pelengkap', 15, 2);
+            $table->decimal('indikasi_nilai_pasar_mesin', 15, 2);
+            $table->decimal('indikasi_nilai_pasar_kendaraan_alat_berat', 15, 2);
+            $table->string('file_resume')->nullable(); // New field for resume file
+            $table->string('file_laporan')->nullable(); // New field for report file
+            $table->timestamps();
+            $table->softDeletes();
+
+            $table->unsignedBigInteger('created_by')->nullable();
+            $table->unsignedBigInteger('updated_by')->nullable();
+            $table->unsignedBigInteger('deleted_by')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('laporan_externals');
+    }
+};