docs(tutorials): add tutorial for automatically preparing commit message

Author: crai0

docs/tutorials/auto_prepare_commit_message.md

@@ -0,0 +1,27 @@
+# Automatically prepare message before commit
+
+## About
+
+To automatically prepare a commit message prior to committing, you can use a [Git hook](https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks).
+
+## How to
+
+- Step 1: Create a new [`prepare-commit-msg`][prepare-commit-msg-docs] Git hook by running the following commands from the root of the Git repository:
+
+```sh
+cd .git/hooks
+touch prepare-commit-msg
+chmod +x prepare-commit-msg
+```
+
+- Step 2: Edit the newly created file and add the following content:
+
+```sh
+#!/bin/sh
+COMMIT_MSG_FILE=$1
+exec < /dev/tty && cz commit --dry-run --write-message-to-file $COMMIT_MSG_FILE || true
+```
+
+See the Git hooks documentation on [`prepare-commit-msg` hooks][prepare-commit-msg-docs] for details on how this works.
+
+[prepare-commit-msg-docs]: https://git-scm.com/docs/githooks#_prepare_commit_msg

mkdocs.yml

@@ -43,6 +43,7 @@ nav:
   - Tutorials:
       - Writing commits: "tutorials/writing_commits.md"
       - Auto check commits: "tutorials/auto_check.md"
+      - Auto prepare commit message: "tutorials/auto_prepare_commit_message.md"
       - GitLab CI: "tutorials/gitlab_ci.md"
       - Github Actions: "tutorials/github_actions.md"
       - Jenkins pipeline: "tutorials/jenkins_pipeline.md"