Add inline notes to pre-commit

Author: consideRatio

.pre-commit-config.yaml

@@ -1,3 +1,13 @@
+# pre-commit is a tool to perform a predefined set of tasks manually and/or
+# automatically before git commits are made.
+#
+# Config reference: https://pre-commit.com/#pre-commit-configyaml---top-level
+#
+# Common tasks
+#
+# - Run on all files:   pre-commit run --all-files
+# - Register git hooks: pre-commit install --install-hooks
+#
 repos:
   # Autoformat: Bash scripts
   - repo: https://github.com/lovesegfault/beautysh