fix(vscode): adjust README with version compat info (#2137)

Author: MaxKless

apps/vscode/README.md

@@ -67,6 +67,12 @@ commands and install extensions without ever touching the terminal or having to
 Also, Nx Console highlights the properties you are likely to use for built-in generators and commands, so if you haven't
 used the CLI, you don't get overwhelmed.
 
+## Compatibility
+
+The latest version of Nx Console supports all Nx versions starting at Nx 15. For older versions, we cannot guarantee compatibility or full functionality. However, we welcome contributions! If you encounter specific issues with older versions, please consider submitting a PR. Of course, if you discover any problems with newer versions of Nx, please report these issues to help us improve Nx Console.
+
+If you're looking to upgrade your version of Nx easily, refer to the [Nx migrate documentation](https://nx.dev/features/automate-updating-dependencies).
+
 # Learn More
 
 - [Documentation](https://nx.dev/core-features/integrate-with-editors) - Official documentation with video tutorials