#1320 Make budget optional and default to zero

Author: ninest

src/backend/src/routes/projects.routes.ts

@@ -13,7 +13,7 @@ projectRouter.get('/:wbsNum', ProjectsController.getSingleProject);
 const projectValidators = [
   intMinZero(body('crId')),
   nonEmptyString(body('name')),
-  intMinZero(body('budget')),
+  body('budget').optional().isInt({ min: 0 }).default(0),
   nonEmptyString(body('summary')),
   body('rules').isArray(),
   nonEmptyString(body('rules.*')),