Document web components experimental attribute (SAP#2618)

docs/web-component.md

@@ -37,7 +37,7 @@ If you want to declare a menu item to be open as Web Component, you need to spec
 Luigi.setConfig({
     navigation: {
    		// To enable CORS Web Component Loading: you need to add external domains where the Web Components are hosted;
-   		// in this example, we sepcify that we can load Web Components from everyhere
+   		// in this example, we sepcify that we can load Web Components from everywhere
 	    validWebcomponentUrls:['.*?'],
 	    nodes: [
 		...
@@ -51,6 +51,11 @@ Luigi.setConfig({
 		...
 		]
 	}
+    settings: {
+   ...
+        experimental: {
+        webcomponents:true
+        }
 	.......
 })
 ```