cookbook_names table has no primary key

[timendum]

Description
From Log: oc_cookbook_names has no primary key and therefore will not behave sane in clustered setups. This will throw an exception and not be installable in a future version of Nextcloud.

Reproduction
Steps to reproduce the behavior:

1. Install the app
2. Go to the cookbook app
3. Check the log

Expected behavior
The cookbook_names should have a primary key.

Versions
Nextcloud server version: 30
Cookbook version: 0.11.2
Database system: MySQL