fix: fix website build, move to esbuild

Author: jonluca

build-website.mjs

@@ -0,0 +1,16 @@
+import {build} from "esbuild";
+import {polyfillNode} from "esbuild-plugin-polyfill-node";
+
+await build({
+  entryPoints: ["online/src/js/index.js"],
+  bundle: true,
+  minify: true,
+  sourcemap: 'external',
+  target: 'chrome60',
+  outfile: "online/js/bundle.js",
+  plugins: [
+    polyfillNode({
+      // Options (optional)
+    }),
+  ],
+});