feat(components): add missing button/a props to components that render them (#17883)

Adds the following properties to the components listed under them:

`rel`, `download`, `target`:
- anchor
- button
- card
- fab-button
- item-option
- item
- tab-button

`disabled`:
- back-button
- menu-button

`type`:
- back-button
- item-option
- menu-button
- segment-button

fixes #16848 closes #16889


Co-authored-by: bitflower <matthias.max@bitflower.net>

core/src/components/router/readme.md

@@ -1,6 +1,8 @@
 # ion-router
 
-Router is a component for handling routing inside vanilla JavaScript projects. For Angular projects, use `ion-router-outlet` and the Angular router.
+The router is a component for handling routing inside vanilla and Stencil JavaScript projects.
+
+> Note: this component should only be used with vanilla and Stencil JavaScript projects. For Angular projects, use [`ion-router-outlet`](../router-outlet) and the Angular router.
 
 Apps should have a single `ion-router` component in the codebase.
 This component controls all interactions with the browser history and it aggregates updates through an event system.
@@ -11,9 +13,6 @@ That means the `ion-router` never touches the DOM, it does NOT show the componen
 
 In order to configure this relationship between components (to load/select) and URLs, `ion-router` uses a declarative syntax using JSX/HTML to define a tree of routes.
 
-If you're using Angular, please see [ion-router-outlet](../router-outlet) instead.
-
-
 
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