feat: cellar/share linking

README.md

@@ -15,7 +15,10 @@ Or add a new path to your `$PATH`.
 In your shell config (e.g., `.zprofile` or `.bash_profile`) add
 
 ```sh
+# needed to run
 export BREW_PY_CELLAR=$HOME/any/path/you/like
+# optional, make binary available in shell
+export PATH=$PATH:$BREW_PY_CELLAR/bin
 ```
 
 
@@ -27,6 +30,16 @@ sudo ln -s $BREW_PY_CELLAR /opt/homebrew
 ```
 
 
+And for auto-completion (zsh) add this to your `.zshrc`:
+
+```sh
+# shell-completion in zsh
+if [ -d "$BREW_PY_CELLAR/share/zsh/site-functions" ]; then
+    fpath=($BREW_PY_CELLAR/share/zsh/site-functions $fpath)
+fi
+```
+
+
 ## Config
 
 There are a few configuration options to modify brew.py behavior.