update rollup and web server (es dev no more maintained)

web-dev-server.config.mjs

@@ -0,0 +1,12 @@
+import {fromRollup} from "@web/dev-server-rollup";
+import rollupCommonjs from "@rollup/plugin-commonjs";
+
+const commonjs = fromRollup(rollupCommonjs);
+
+export default {
+  plugins: [
+    commonjs({
+      exclude: ['src', 'dist', 'instrumented']
+    })
+  ]
+};