brew*: move to common (#6507)

pages/common/brew-cask.md

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+# brew cask
+
+> Package manager for macOS applications distributed as binaries.
+> More information: <https://github.com/Homebrew/homebrew-cask>.
+
+- Search for formulas and casks:
+
+`brew search {{text}}`
+
+- Install a cask:
+
+`brew cask install {{cask_name}}`
+
+- List all installed casks:
+
+`brew list --cask`
+
+- List installed casks that have newer versions available:
+
+`brew outdated --cask`
+
+- Upgrade an installed cask (if no cask name is given, all installed casks are upgraded):
+
+`brew upgrade --cask {{cask_name}}`
+
+- Uninstall a cask:
+
+`brew cask uninstall {{cask_name}}`
+
+- Uninstall a cask and remove related settings and files:
+
+`brew cask zap {{cask_name}}`
+
+- Display information about a given cask:
+
+`brew cask info {{cask_name}}`