docs: add pre-commit to README.md

Author: TylerGillson

README.md

@@ -81,6 +81,15 @@ make undeploy
 ## Contributing
 All contributions are welcome! Feel free to reach out on the [Spectro Cloud community Slack](https://spectrocloudcommunity.slack.com/join/shared_invite/zt-g8gfzrhf-cKavsGD_myOh30K24pImLA#/shared-invite/email).
 
+Make sure `pre-commit` is [installed](https://pre-commit.com#install).
+
+Install the `pre-commit` scripts:
+
+```console
+pre-commit install --hook-type commit-msg
+pre-commit install --hook-type pre-commit
+```
+
 ### How it works
 This project aims to follow the Kubernetes [Operator pattern](https://kubernetes.io/docs/concepts/extend-kubernetes/operator/).