feat: Add functionality to retrieve champion images from the database

- Added a new function `getChampionImage` to fetch champion images based on ID and type.
- Created a new model `ChampionImage` to store champion image details in the database.
- Implemented seeding of champion images using `ChampionImageSeeder`.
- Updated usage of champion images in existing methods.

database/migrations/2024_05_01_234838_create_champion_images_table.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('champion_images', function (Blueprint $table) {
+            $table->id();
+            $table->text('full_id');
+            $table->integer('champion_id');
+            $table->enum('type', ['splash', 'uncentered_splash', 'loading', 'tile', 'icon', 'ability', 'video']);
+            $table->text('url');
+            $table->foreign('champion_id')->references('champion_id')->on('champions')->onDelete('cascade');
+
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('champion_images');
+    }
+};