update to v2.2.1

fix type issues with root object wrapping node or querySelector
fix incorrect import in demo
fix unused options in vite.config.js
add (some) tests - more to come!

dist/fluent-dom-esm.types.d.ts

@@ -1,4 +1,5 @@
 export interface FluentDomObject {
+    (nodeOrQuerySelector: string | HTMLElement): FluentDomObject;
     fluentDom: string;
     a: (name: string, value: string) => FluentDomObject;
     app: (obj: FluentDomObject | HTMLElement | string) => FluentDomObject;