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

tldr/git-ls-remote

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git ls-remote
+
+> Git command for listing references in a remote repository based on name or URL.
+> If no name or URL are given, then the configured upstream branch will be used, or remote origin if the former is not configured.
+> More information: <https://git-scm.com/docs/git-ls-remote>.
+
+- Show all references in the default remote repository:
+
+`git ls-remote`
+
+- Show only heads references in the default remote repository:
+
+`git ls-remote --heads`
+
+- Show only tags references in the default remote repository:
+
+`git ls-remote --tags`
+
+- Show all references from a remote repository based on name or URL:
+
+`git ls-remote {{repository_url}}`
+
+- Show references from a remote repository filtered by a pattern:
+
+`git ls-remote {{repository_name}} "{{pattern}}"`