refactor: rename game.json to config.json and update file path references

src/lib/config.ts

@@ -1,7 +1,7 @@
 import { readFileSync, existsSync } from 'fs';
 import { join } from 'path';
 
-const configPath = join(process.cwd(), 'src', 'config', 'game.json');
+const configPath = join(process.cwd(), 'src', 'config', 'config.json');
 
 export interface GameConfigType {
     leveling: {