update to 2.0

I overreached on the getter / setters sharing the same names, and everything
_seemed_ to work OK at first, but then when I tried to import it...

dist/fluent-dom-esm.d.ts

@@ -0,0 +1,6 @@
+import { FluentDomObject } from './fluent-dom-esm.types';
+/**
+ * IIFE that creates the FluentDomObject as default export
+ */
+declare const _default: FluentDomObject;
+export default _default;