Added new kardan theme.

themes/kardan.zsh-theme

+# Comment 
+
+function get_host {
+	echo '@'`hostname`''
+}
+
+RPROMPT='%~$(git_prompt_info)$(get_host)' 
+export PS1='> '
+
+ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[yellow]%}✗%{$reset_color%}"
+ZSH_THEME_GIT_PROMPT_PREFIX="("
+ZSH_THEME_GIT_PROMPT_SUFFIX=")"
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