This commit contains all the code needed to update the `known_gaps` table. It uses a generic function `PushKnownGaps` to insert gaps to the database.
The current test is very "basic." All it does it insert a dummy gap into the database. As long as their is no error it will return succesfully.
I have also removed the foundry subfolder. I am using the `related-repository` setup for testing.
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