fix: correct npm command formatting in GitHub Actions workflow and add basePath to Next.js config

.github/workflows/frontend_deploy.yml

@@ -29,7 +29,7 @@ jobs:
           cache-dependency-path: crypto_clash_frontend/package-lock.json
 
       - name: Build with Next.js
-        run: npm ci &&npm run build
+        run: npm ci && npm run build
         working-directory: crypto_clash_frontend
 
       - name: Upload artifact

README.md

@@ -0,0 +1 @@
+Deployed URL: https://averel10.github.io/crypto_clash/

crypto_clash_frontend/next.config.ts

@@ -1,6 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
+  basePath: "/crypto_clash",
   output: "export",  // <=== enables static exports
   reactStrictMode: true,
 };