Update cheatsheets

git-rename-branch

@@ -0,0 +1,18 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git rename-branch
+
+> Rename a Git branch.
+> Part of `git-extras`.
+> More information: <https://github.com/tj/git-extras/blob/master/Commands.md#git-rename-branch>.
+
+- Rename the branch you are currently on:
+
+`git rename-branch {{new_branch_name}}`
+
+- Rename a specific branch:
+
+`git rename-branch {{old_branch_name}} {{new_branch_name}}`