Add GitHub Wiki

[Patr1ick]

Is your feature request related to a problem? Please describe.
The users should see a detailed information site about the criterias and information how it can be improved. This problem can be solved by creating a GitHub Wiki and describing the features there. In the frontend the user has a link to the page of the criteria.

Describe the solution you'd like
In the backend the saved file should be used to create a minified version of it. If the minified version is significantly smaller in terms of size, the criteria is not met. In the frontend the the criteria should made be visible in the report.