docs(FAQ): add ui5wc vs ui5wcr component entry (#7176)

Author: Lukas742

docs/knowledge-base/FAQ.mdx

@@ -78,4 +78,12 @@ import '@ui5/webcomponents-react/dist/Assets';
 
 Further information about theming can be found in our and the UI5 Web Components [Theming documentation](?path=/docs/getting-started--docs#theming).
 
+## How can I distinguish if a component is developed in the `ui5-webcomponents` or `ui5-webcomponents-react` repo?
+
+Each component developed by the UI5 Web Components team ([`ui5-webcomponents`](https://github.com/SAP/ui5-webcomponents)) that is wrapped by the UI5 Web Components for React ([`ui5-webcomponents-react`](https://github.com/SAP/ui5-webcomponents-react)) wrapper includes the following note in its component description:
+
+**Note**: This is a UI5 Web Component! [Repository](https://github.com/SAP/ui5-webcomponents) | [Documentation](https://sap.github.io/ui5-webcomponents/)
+
+If a component does not have this note, it is a React-only component provided exclusively by `ui5-webcomponents-react`.
+
 <Footer />