WIP: Schema validator

[jesper-friis]

Description

Create a validator for data schema.

Type of change

• Bug fix and code cleanup
• New feature
• Documentation update
• Testing

Checklist for the reviewer

This checklist should be used as a help for the reviewer.

• Is the change limited to one issue?
• Does this PR close the issue?
• Is the code easy to read and understand?
• Do all new feature have an accompanying new test?
• Has the documentation been updated as necessary?
• Is the code properly tested?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.68%. Comparing base (33f1495) to head (03c0ea9).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #296   +/-   ##
=======================================
  Coverage   76.68%   76.68%           
=======================================
  Files          22       22           
  Lines        2415     2415           
=======================================
  Hits         1852     1852           
  Misses        563      563           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.