Move support section from separate file to readme

With SUPPORT.md there is too many links in the marketplace sidebar that all essentially lead to github page

Author: tiurin

README.md

@@ -38,4 +38,14 @@ Once the profile is configured you can use it from your favorite AWS tools like
 
 ## Support
 
-If you need help, [please read our support guidelines](./SUPPORT.md) for information on how to get in touch.
+### LocalStack Toolkit for VS Code extension support
+
+Please provide feedback or report an issue on the LocalStack Toolkit for VS Code by using our [GitHub Issues](https://github.com/localstack/localstack-vscode-extension/issues) page.
+
+### LocalStack general support
+
+For LocalStack-related questions, feedback, and contributions, you can:
+
+- Check our main repository: visit our [get in touch section on LocalStack's GitHub](https://github.com/localstack/localstack?tab=readme-ov-file#get-in-touch) for contact information and support channels.
+
+Join our Slack Community: Connect with other developers on the official [LocalStack Slack community](https://localstack.cloud/slack).