chore(zsh): add gu aka gitui alias

data/zsh/extra-zshrc

@@ -92,6 +92,11 @@ if command -v nnn &>/dev/null; then
 	export NNN_PLUG="p:-preview-tui"
 fi
 
+# https://github.com/extrawurst/gitui
+if command -v gitui &>/dev/null; then
+	alias gu="gitui -t mocha.ron"
+fi
+
 # https://gitlab.com/phoneybadger/pokemon-colorscripts
 if command -v pokemon-colorscripts &>/dev/null; then
 	pokemon-colorscripts --no-title -r 1-8