Add validation errors

[ChristoGrab]

• Add validation errors to User Sign-Up Route
• Add validation errors to User Log-in Route
• Add validation errors to Creating Spot
• Add validation errors to Updating Spot
• Add validation errors to Creating Review
• Add validation errors to Editing Review
• Add validation errors to Creating Booking
• Add validation errors to Editing Booking
• Add validation errors to Query FIlters