Get all user's Goals

[Daniel Valdecantos]

We want to see the user's recent goals on the footer. We also want to see the user's goals at their profile.

Backend:

• successful response includes: id, userId, title, body, doit, completed, createdAt, and updatedAt
• error response for no user found: 404 status code with message saying "User not found"

Frontend:

• display the current user's goals at the footer, profile goal tab, and completed tab (see wireframe)
• newest goal at the top