feat: Implement Document Module with Dropzone file upload functionality

- Added DocumentController for handling document uploads and management.
- Created Document model with necessary attributes and relationships.
- Implemented DocumentService for business logic related to documents.
- Set up routes for document management in both web and API contexts.
- Developed views for document upload using Dropzone for file handling.
- Included necessary assets and styles for the Document module.
- Created migration for documents table with appropriate fields.
- Added configuration and service provider for the Document module.

Modules/Document/app/Http/Controllers/DocumentController.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace Modules\Document\Http\Controllers;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+use Illuminate\Support\Str;
+use Modules\CCMS\Models\Country;
+use Modules\CCMS\Models\Service;
+use Modules\CCMS\Models\Test;
+use Modules\Document\Services\DocumentService;
+use Yajra\DataTables\Facades\DataTables;
+
+class DocumentController extends Controller
+{
+    protected $documentService;
+
+    public function __construct(DocumentService $documentService)
+    {
+        $this->documentService = $documentService;
+    }
+
+    public function index()
+    {
+        $title = 'Upload Documents';
+        $countryOptions = Country::whereNull('parent_id')->pluck('title', 'id')->mapWithKeys(fn($title, $id) => ["Country:$id" => "Country - $title"]);
+        $serviceOptions = Service::whereNull('parent_id')->pluck('title', 'id')->mapWithKeys(fn($title, $id) => ["Service:$id" => "Service - $title"]);
+        $testOptions = Test::whereNull('parent_id')->pluck('title', 'id')->mapWithKeys(fn($title, $id) => ["Test:$id" => "Test - $title"]);
+
+        $modelOptions = $countryOptions->merge($serviceOptions)->merge($testOptions);
+
+        return view('document::document.index', compact('modelOptions', 'title'));
+    }
+
+
+    public function dropzoneUpload(Request $request)
+    {
+        $request->validate([
+            'model' => 'required|string',
+            'file' => 'required|array',
+            'file.*' => 'file|mimes:pdf,doc,docx,jpg,png|max:5120',
+            'title' => 'nullable|string',
+        ]);
+
+        $parts = explode(':', $request->model);
+
+        if (count($parts) !== 2) {
+            return response()->json(['error' => 'Invalid model format.'], 422);
+        }
+
+        [$modelType, $modelId] = $parts;
+        $modelClass = "App\\Models\\$modelType";
+
+        if (!class_exists($modelClass)) {
+            return response()->json(['error' => 'Invalid model selected.'], 422);
+        }
+
+        $model = $modelClass::findOrFail($modelId);
+
+        foreach ($request->file('file') as $uploadedFile) {
+            $path = $uploadedFile->store('documents');
+
+            $model->documents()->create([
+                'title' => $request->title ?? 'Untitled',
+                'file_path' => $path,
+            ]);
+        }
+
+        return response()->json(['success' => 'Files uploaded successfully']);
+    }
+}