switch to playwright test runner, use esbuild for dev builds, switch to array destructuring

config/rollup/babel.config.esm.js

@@ -0,0 +1,14 @@
+module.exports = {
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        loose: true,
+        bugfixes: true,
+        targets: {
+          esmodules: true,
+        },
+      },
+    ],
+  ],
+};