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

tldr/git-fetch

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git fetch
+
+> Download objects and refs from a remote repository.
+> More information: <https://git-scm.com/docs/git-fetch>.
+
+- Fetch the latest changes from the default remote upstream repository (if set):
+
+`git fetch`
+
+- Fetch new branches from a specific remote upstream repository:
+
+`git fetch {{remote_name}}`
+
+- Fetch the latest changes from all remote upstream repositories:
+
+`git fetch --all`
+
+- Also fetch tags from the remote upstream repository:
+
+`git fetch --tags`
+
+- Delete local references to remote branches that have been deleted upstream:
+
+`git fetch --prune`