Complete the following REQUIRED checkboxes:

• I have thoroughly read and understand The Odin Project Contributing Guide
• The title of this PR follows the location of change: brief description of change format, e.g. Intro to HTML and CSS lesson: Fix link text

Complete the following checkboxes ONLY IF they are applicable to your PR. You can complete them later if they are not currently applicable:

• I have previewed all lesson files included in this PR with the Markdown preview tool to ensure the Markdown content is formatted correctly
• I have ensured all lesson files included in this PR follow the Layout Style Guide

1. Because:

The Content labels solve two problems:

1. We can include labels for folders like Foundations without having to worry if it's a course or a path.
2. We can include labels for folders which houses lessons that necessarily aren't courses like the git folder.

2. This PR:

In the Labeler workflow:

1. Renames all courses label to content
2. Add Content: Git label

3. Additional Information:

n/a