chore: update base of playground vite config

Author: bigmistqke

playground/vite.config.ts

@@ -2,5 +2,6 @@ import { defineConfig } from "vite"
 import inspect from "vite-plugin-inspect"
 import solidPlugin from "vite-plugin-solid"
 export default defineConfig({
+  base: "./",
   plugins: [solidPlugin(), inspect()],
 })