docs: update README (#639)

Author: jd

README.md

@@ -1,27 +1,24 @@
-# Mergify CLI - Stacked Pull Request Automation
+# Mergify CLI
 
 ## Introduction
 
-Mergify CLI is a powerful tool designed to simplify and automate the creation and management of stacked pull requests on GitHub. 
+Mergify CLI is a powerful tool designed to simplify and automate the creation
+and management of stacked pull requests on GitHub as well as handling CI
+results upload.
 
-Before diving into its functionalities, let's grasp the concept of stacked pull requests and why they matter in the [documentation](https://docs.mergify.com/stacked_prs/#understanding-stacked-pull-requests).
+### Stacks
 
-## Documentation
+Before diving into its functionalities, let's grasp the concept of stacked pull
+requests and why they matter in the
+[documentation](https://docs.mergify.com/stacks/).
 
-- [Setting up stacked PR automation in a repository](https://docs.mergify.com/stacks/#setting-up-mergify-cli)
-- [Creating and managing your PR stack](https://docs.mergify.com/stacks/#creating-stacked-pull-requests)
+### CI
 
-## Contributing
-
-We welcome and appreciate contributions from the open-source community to make this project better. Whether you're a developer, designer, tester, or just someone with a good idea, we encourage you to get involved.
-
-### How to
+You can learn more about [CI Insights in the
+documentation](https://docs.mergify.com/ci-insights/).
 
-1. Fork the repository to your GitHub account.
-2. Clone your forked repository to your local machine.
-
-```bash
-git clone https://github.com/your-username/your-fork.git
-```
+## Contributing
 
-3. Push changes to your fork and submit your pull requests.
+We welcome and appreciate contributions from the open-source community to make
+this project better. Whether you're a developer, designer, tester, or just
+someone with a good idea, we encourage you to get involved.