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/Models/Streamer.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Streamer extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['champion_id', 'platform', 'username', 'displayname'];
+
+    public function champion()
+    {
+        return $this->belongsTo(Champion::class);
+    }
+
+    public function getPlatformAttribute($value): string
+    {
+        $platforms = [
+            'twitch' => 'Twitch',
+            'youtube' => 'YouTube',
+            'kick' => 'Kick',
+            'douyu' => 'Douyu',
+            'huya' => 'Huya',
+        ];
+
+        return $platforms[$value];
+    }
+
+    public function getStreamerUrlAttribute(): string
+    {
+        return match ($this->platform) {
+            'Twitch' => "https://www.twitch.tv/{$this->username}",
+            'YouTube' => "https://www.youtube.com/@{$this->username}",
+            'Kick' => "https://kick.com/{$this->username}",
+            'Douyu' => "https://www.douyu.com/{$this->username}",
+            'Huya' => "https://www.huya.com/{$this->username}",
+        };
+    }
+}