Update cheatsheets

tldr/brew-tap

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# brew tap
+
+> Tap a Homebrew formula repository. If no arguments are provided, list all installed Homebrew taps.
+> More information: <https://docs.brew.sh/Manpage#tap-options-userrepo-url>.
+
+- List installed Homebrew taps:
+
+`brew tap`
+
+- Tap a Git repository hosted on GitHub:
+
+`brew tap {{github_username}}/{{github_repository_name}}`
+
+- Tap a Git repository hosted outside of GitHub:
+
+`brew tap {{username}}/{{repository_name}} {{git_clone_url}}`
+
+- Tap a repository hosted on GitLab:
+
+`brew tap {{username}}/{{repository_name}} https://gitlab.com/{{username}}/{{repository_name}}.git`
+
+- Display help:
+
+`brew tap {{[-h|--help]}}`