[fix] @observer is missing on Nav component

Author: TechQuery

package.json

@@ -1,6 +1,6 @@
 {
     "name": "boot-cell",
-    "version": "2.0.0-rc.2",
+    "version": "2.0.0-rc.3",
     "license": "LGPL-3.0",
     "author": "[email protected]",
     "description": "Web Components UI library based on WebCell v3, BootStrap v5, BootStrap Icon v1 & FontAwesome v6",

source/Navigator/Nav.tsx

@@ -7,6 +7,7 @@ import {
     WebCellProps,
     attribute,
     component,
+    observer,
     reaction
 } from 'web-cell';
 import { CustomElement } from 'web-utility';
@@ -63,6 +64,7 @@ export interface Nav extends WebCell<NavProps> {}
     tagName: 'bs-nav',
     mode: 'open'
 })
+@observer
 export class Nav extends HTMLElement implements CustomElement {
     @attribute
     @observable