Add option to show contact data for each animal

[omiras]

Coming from #65

• Remove "Compartir" link
• Remove "Copiar enlace" link
• Add a new link "Información contacto"

1. The link will open a new view
2. The view will have a component (ContactInfoComponent.vue); with the contact info for a given user id.
   3.1. The component should receive an object with the info of the owner of the animal.

/contactinfo/:idUser

3. The component will display the following info:

   1. Name
   2. email
   3. Phone number if it is informed

4. Add a Back button in the view

5. The 'users' variable in Vuex store should be already filled with the information of all the users of our DB