Merge pull request #346 from jojahner/master

My 'simple' theme.

themes/simple.zsh-theme

+PROMPT='%{$fg[green]%}%~%{$fg_bold[blue]%}$(git_prompt_info)%{$reset_color%} '
+
+ZSH_THEME_GIT_PROMPT_PREFIX="("
+ZSH_THEME_GIT_PROMPT_SUFFIX=")"
+ZSH_THEME_GIT_PROMPT_DIRTY=" ✗"
+ZSH_THEME_GIT_PROMPT_CLEAN=" ✔"