Docs update from Slack message

docs/contribute/contribute-integrations.mdx

@@ -12,6 +12,10 @@ To help you create an integration, use [this GitHub repository](https://github.c
 The repository uses [Cookiecutter](https://cookiecutter.readthedocs.io/) to generate a project structure. 
 The template includes tools for testing, linting, docs, and building the package.
 
+## Add Slack integration support
+
+Prefect now supports Slack integration, allowing you to send notifications and alerts directly to your Slack channels. To set up Slack integration, follow the instructions in the [Slack Integration Guide](https://docs.prefect.io/integrations/slack).
+
 ## List your project in the integrations catalog
 
 To list your integration in the Prefect integrations catalog, submit a pull request to the [Prefect GitHub repository](https://github.com/PrefectHQ/prefect).