Fix base path to / for user site (username.github.io)

Author: Yukigithubycf

vite.config.js

@@ -3,6 +3,6 @@ import vue from '@vitejs/plugin-vue'
 
 // https://vite.dev/config/
 export default defineConfig({
-  base: '/homepage/',
+  base: '/',
   plugins: [vue()],
 })