Merge branch 'docs-git-topics-tier' into 'master'

Add tiers/metadata to Git-related topics

See merge request gitlab-org/gitlab!62766

doc/topics/git/bisect.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Bisect
+# Bisect **(FREE)**
 
 - Find a commit that introduced a bug
 - Works through a process of elimination

doc/topics/git/cherry_picking.md

@@ -5,7 +5,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 comments: false
 ---
 
-# Cherry Pick
+# Cherry pick **(FREE)**
 
 Given an existing commit on one branch, apply the change to another branch.
 

doc/topics/git/feature_branching.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Feature branching
+# Feature branching **(FREE)**
 
 - Efficient parallel workflow for teams
 - Develop each feature in a branch

doc/topics/git/getting_started.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Getting Started
+# Getting started **(FREE)**
 
 ## Instantiating Repositories
 

doc/topics/git/git_add.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Git Add
+# Git Add **(FREE)**
 
 Adds content to the index or staging area.
 

doc/topics/git/git_log.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Git Log
+# Git Log **(FREE)**
 
 Git log lists commit history. It allows searching and filtering.
 

doc/topics/git/merge_conflicts.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Merge conflicts
+# Merge conflicts **(FREE)**
 
 - Happen often
 - Learning to fix conflicts is hard

doc/topics/git/rollback_commits.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Rollback Commits
+# Rollback commits **(FREE)**
 
 ## Undo Commits
 

doc/topics/git/stash.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Git Stash
+# Git Stash **(FREE)**
 
 We use `git stash` to store our changes when they are not ready to be committed
 and we need to change to a different branch.

doc/topics/git/subtree.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Subtree
+# Subtree **(FREE)**
 
 - Used when there are nested repositories.
 - Not recommended when the amount of dependencies is too large.

doc/topics/git/tags.md

@@ -4,7 +4,7 @@ group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 ---
 
-# Tags
+# Tags **(FREE)**
 
 Tags are useful for marking certain deployments and releases for later
 reference. Git supports two types of tags:

doc/topics/git/unstage.md

 ---
-stage: none
-group: unassigned
+stage: Create
+group: Source Code
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 comments: false
 ---
 
-# Unstage
+# Unstage **(FREE)**
 
 - To remove files from stage use reset HEAD where HEAD is the last commit of the current branch. This unstages the file but maintain the modifications.