fix: switch back to original branch after deployment commit

scripts/zola.sh

@@ -94,6 +94,7 @@ clean() {
 # $3: Author in <author-name author@example.com> format
 deploy() {
 	cd $PROJECT_ROOT
+	original_branch=$(git branch --show-current)
 	tmp_dir=$(mktemp -d)
 	cp -r $2/* $tmp_dir
 	git checkout --orphan $1
@@ -104,6 +105,7 @@ deploy() {
 	git commit \
 		--author="$3" \
 		--message="new deploy: $(date --iso-8601=seconds)"
+	git checkout $original_branch
 }
 
 check_arg $1