homebrew: add alias `brewL`

modules/homebrew/README.md

@@ -19,6 +19,7 @@ Aliases
 
   - `brewc` cleans outdated brews and their cached archives.
   - `brewi` installs a formula.
+  - `brewL` lists installed formulae that are not dependencies of another installed formula.
   - `brewl` lists installed formulae.
   - `brewo` lists brews which have an update available.
   - `brews` searches for a formula.

modules/homebrew/init.zsh

@@ -28,6 +28,7 @@ fi
 # Homebrew
 alias brewc='brew cleanup'
 alias brewi='brew install'
+alias brewL='brew leaves'
 alias brewl='brew list'
 alias brewo='brew outdated'
 alias brews='brew search'