feat: dev use dev branch

src/core/blitzkrieg/asset.ts

@@ -1,3 +1,5 @@
+import isDev from './isDev';
+
 export function asset(path: string) {
-  return `https://raw.githubusercontent.com/tresabhi/blitzkrieg-assets/main/${path}`;
+  return `https://raw.githubusercontent.com/tresabhi/blitzkrieg-assets/${isDev() ? 'dev' : 'main'}/${path}`;
 }