feat: Add Streamer and StreamerPanel controllers, Streamer model

- Added StreamerController with index and show methods
- Added StreamerPanelController with index, create, store, edit, update, and destroy methods
- Created Streamer model with fillable attributes and platform-specific URL generation logic
- Implemented migration for creating the streamers table

app/Http/Controllers/StreamerController.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Streamer;
+use Illuminate\Http\Request;
+
+class StreamerController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index()
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(Streamer $streamer)
+    {
+        //
+    }
+}