fix indent

Author: peaceiris

Makefile

@@ -25,9 +25,9 @@ all:
 pre-release:
     npm run build
     git add ./lib
-    git commit -m "chore: npm run build"
+	git commit -m "chore: npm run build"
 
 .PHONY: remove-pre-release
 remove-pre-release:
     git rm -f ./lib
-    git commit -m "chore: remove lib"
+	git commit -m "chore: remove lib"