Add warning for AI slop pull requests

Added a warning about AI slop pull requests and potential bans.

Author: Onatcer

README.md

@@ -37,6 +37,8 @@ If you have a **feature request**, please [**create a discussion**](https://gith
 
 Please open an issue or start a discussion and wait for approval before submitting a pull request. This does not apply to tiny fixes or changes however, please keep in mind that we might not merge PRs for various reasons. 
 
+**If you submit an AI slop pull request (especially without following the proper procedure), you will be banned from future contributions to solidtime.**
+
 Please read the [CONTRIBUTING.md](./CONTRIBUTING.md) before sumbitting a Pull Request.
 
 We do accept contributions in the [documentation repository](https://github.com/solidtime-io/docs) f.e. to add new self-hosting guides.