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

tldr/git-setup

@@ -0,0 +1,18 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git setup
+
+> Create a Git repository in a directory and commit all files.
+> Part of `git-extras`.
+> More information: <https://github.com/tj/git-extras/blob/master/Commands.md#git-setup>.
+
+- Create a Git repository in the current directory and commit all files:
+
+`git setup`
+
+- Create a Git repository in a specific directory and commit all files:
+
+`git setup {{path/to/directory}}`