Update `git clean` alias to clean directories as well

add -d flag to `gwC`

modules/git/README.md

@@ -203,7 +203,7 @@ Aliases
      index nor the working tree.
   - `gwR` resets the current HEAD, index and working tree to the specified state.
   - `gwc` removes untracked files from the working tree (dry-run).
-  - `gwC` removes untracked files from the working tree.
+  - `gwC` removes untracked files and directories from the working tree.
   - `gwx` removes files from the working tree and from the index recursively.
   - `gwX` removes files from the working tree and from the index recursively and
     forcefully.

modules/git/alias.zsh

@@ -176,6 +176,6 @@ alias gwD='git diff --no-ext-diff --word-diff'
 alias gwr='git reset --soft'
 alias gwR='git reset --hard'
 alias gwc='git clean -n'
-alias gwC='git clean -f'
+alias gwC='git clean -df'
 alias gwx='git rm -r'
 alias gwX='git rm -rf'