Update cheatsheets

tldr/jj-git-remote

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# jj git remote
+
+> Manage Git remotes.
+> More information: <https://jj-vcs.github.io/jj/latest/cli-reference/#jj-git-remote>.
+
+- List all Git remotes:
+
+`jj git remote list`
+
+- Add a Git remote:
+
+`jj git remote add {{remote}} {{url}}`
+
+- Change the URL of a Git remote:
+
+`jj git remote set-url {{remote}} {{url}}`
+
+- Remove a Git remote:
+
+`jj git remote remove {{remote}}`
+
+- Rename a Git remote:
+
+`jj git remote rename {{old_name}} {{new_name}}`