Add Champion model, form validation, and components for StreamerPanel.

- Added Champion model to StreamerPanelController.
- Implemented form validation for champion_id, platform, username, and displayname in create and update methods.
- Created StreamerCreateForm and StreamersTable components for better organization.

resources/views/components/streamerpanel/home.blade.php

@@ -0,0 +1,11 @@
+<section class="max-w-screen-xl mx-auto mt-12">
+    <h1
+        class="text-2xl font-bold text-center text-transparent uppercase sm:text-4xl bg-gradient-to-bl from-orange-300 to-orange-500 bg-clip-text">
+        Streamers</h1>
+    <div class="flex justify-center mt-4">
+        <a href="{{ route('streamerpanel.streamers.create') }}"
+            class="flex items-center justify-center px-4 py-2 text-sm font-medium text-white bg-orange-500 rounded-md hover:bg-orange-600 focus:outline-none focus:ring-2 focus:ring-orange-500 focus:ring-offset-2">
+            Add Streamer
+        </a>
+    </div>
+</section>