Add a default .zshrc.d directory

- Add a default .zshrc.d directory
- Add a fragment file to load `mise` if present. Prefer version in `$HOME` to globally installed `mise`

Signed-off-by: Joe Block <[email protected]>

Author: unixorn

zsh/.zshrc.d/001-load-mise-if-present

@@ -0,0 +1,7 @@
+if [ -f ~/.local/bin/mise  ]; then
+  eval "$(~/.local/bin/mise activate zsh)"
+elif [ -f /opt/homebrew/bin/mise  ]; then
+  eval "$(/opt/homebrew/bin/mise activate zsh --shims)"
+elif [ -f /usr/local/bin/mise  ]; then
+  eval "$(/usr/local/bin/mise activate zsh)"
+fi