Move pages under tldr, lint run.sh, update docs

tldr/linux/legit

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# legit
+
+> Complementary command-line interface for Git.
+> More information: <https://frostming.github.io/legit>.
+
+- Switch to a specified branch, stashing and restoring unstaged changes:
+
+`git switch {{target_branch}}`
+
+- Synchronize current branch, automatically merging or rebasing, and stashing and unstashing:
+
+`git sync`
+
+- Publish a specified branch to the remote server:
+
+`git publish {{branch_name}}`
+
+- Remove a branch from the remote server:
+
+`git unpublish {{branch_name}}`
+
+- List all branches and their publication status:
+
+`git branches {{glob_pattern}}`
+
+- Remove the last commit from the history:
+
+`git undo {{--hard}}`