Edit Pet

[achoo-o]

As a user, I want to be able to edit a pet when I visit their profile.

• [ ] An 'edit' button renders on the pet profile IF I am logged in AND the pet is mine.
• [ ] When I click the edit button, a form comes up.
• [ ] The form is prefilled with the correct pet's information.
• [ ] When I save the form, the changes are saved to the database (and therefore show up on my pet's profile)