feat: add champion role database

app/Models/ChampionRoles.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ChampionRoles extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'champion_id',
+        'champion_name',
+        'roles',
+    ];
+
+    protected $casts = [
+        'roles' => 'array',
+    ];
+
+    public function champion()
+    {
+        return $this->belongsTo(Champion::class);
+    }
+}