docs(widgets): Add disclaimer

docs/vitepress/guide/intro/widgets.md

@@ -45,3 +45,9 @@
 | | [rca](https://github.com/Kitware/trame-rca "Infrastructure to display remote generated image based content while allowing interaction forwarding") | trame-rca | 2 & 3 | 7 |
 | | [router](https://github.com/Kitware/trame-router "Vue Router components") | trame-router | 2 & 3 | 2 |
 | | [tauri](https://github.com/Kitware/trame-tauri "Tauri integration to deploy trame into a desktop application") | trame-tauri | 2 & 3 | 2 + utils |
+
+::: warning
+This table may be incomplete or slightly out of date. Please [correct it](https://github.com/Kitware/trame/pulls) or [reach out](https://github.com/Kitware/trame/discussions) for up-to-date information.
+
+If you are looking for specific widgets, contributions are welcome you can [ask for support](https://www.kitware.com/trame/).
+:::