Feinstaub migrations

[karimkawambwa]

Description

Track model changes made by opendata-stuttgart on feinstaub since they are not checking in the migration files along with any model changes they make. This will allow us to keep track of any changes and apply approved migrations on each release.

Fixes # (issue)

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] This change requires a documentation update

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation

[karimkawambwa]

@kilemensi 👀

[karimkawambwa]

@kilemensi 👀

From the slack conversation, is this approved?