After merging changes back from private repo, add field/table comments to database schema (using code that generates schema)
This is a task to document the meanings of the tables and fields of hivemind in the schema itself, which is useful when viewing the database via various explorers such as adminer. Multiple people can potentially work on this task, by adding a table or set of tables they want to document to this issue.
First part of this task is to locate the code that generates the schema and add a reference to that file(s) here as a comment.