add candy theme

themes/candy.zsh-theme

+PROMPT=$'%{$fg_bold[green]%}%n@%m %{$fg[blue]%}%D{[%I:%M:%S]} %{$reset_color%}%{$fg[white]%}[%~]%{$reset_color%} $(git_prompt_info)\
+%{$fg[blue]%}->%{$fg_bold[blue]%} %#%{$reset_color%} '
+
+ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[green]%}["
+ZSH_THEME_GIT_PROMPT_SUFFIX="]%{$reset_color%}"
+ZSH_THEME_GIT_PROMPT_DIRTY=" %{$fg[red]%}*%{$fg[green]%}"
+ZSH_THEME_GIT_PROMPT_CLEAN=""