Added pre-commit notes to the knowledge base

knowledge base/pre-commit.md

@@ -0,0 +1,33 @@
+# Pre-commit
+
+## TL;DR
+
+```shell
+# generate a very basic configuration
+pre-commit sample-config > .pre-commit-config.yaml
+
+# manually run checks
+pre-commit run --all-files   # all checks
+pre-commit run ansible-lint  # ansible-lint only
+
+# automatically run checks at every commit
+pre-commit install
+
+# update all hooks to the latest version
+pre-commit autoupdate
+
+# skip check on commit
+SKIP=flake8 git commit -m "foo"
+```
+
+## Further readings
+
+- List of [supported hooks]
+
+[supported hooks]: https://pre-commit.com/hooks.html
+
+## Sources
+
+- [Website]
+
+[website]: https://pre-commit.com