Add group details page

[Encotric]

As a group member, I want to be able to see all items of a group on a group details page of the group. Additionally, when I click on an item, it should be possible for me to see the item's details page. Moreover, when I click on the "my groups" page on the name of a group, I should be redirected to the group's details page.

Dependencies

Depends on:

Acceptance Criteria

• A group details page shows all items of the group
• Clicking on the name of a group on "my groups" redirects to the group's details page
• Clicking on an item on the group's details page redirects to the item's details page