feat: add champion role database

database/seeders/ChampionRolesSeeder.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class ChampionRolesSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        // TODO: http://cdn.merakianalytics.com/riot/lol/resources/latest/en-US/championrates.json
+    }
+}