✨ Add skip changelog function

[sercanuste]

Summary

This PR adds skip changelog function. Commits with [skip cl] or [skip changelog] keyword can be filtered and will not be added to changelog.

The motivation behind this development is hide automated commits from GitHub Action or bots. Automated commits keeps a lot of space on changelog.

Usage

For enabling function you need to add "useSkipChangelog": true to .gitmoji-changelogrc.

{
+    "useSkipChangelog": true
}

And you need to use [skip cl] or [skip changelog] keyword in commit's subject or body.

✨ Upgrade brand new feature [skip cl]