This is the donations distribution implementation, with one commit per lesson to make it easier to follow it. It is created by following the CosmWasm academy Multicontract Systems course step by step.
This repository is meant to have a very structured git history - single commit per lesson/assignment, to allow single referring to particular points. Because of that, any merges or pull requests of code would not be possible, as it would break this structure. Any change besides things not directly course-related (CI, markdowns, licensing, etc.) should be performed by going back to the relevant lesson commit, amending it, and then rebasing the whole following codebase to a new commit, force-pushing to the main branch at the end. It is a terrible idea in practice to work like that in the typical codebase. Still, the purpose of this particular codebase is not to deliver the product but to give a learning resource to follow.
Conceding that, if you found some inconsistency between a course and the repo, create an issue, and possibly even propose a solution, but do not expect it would be merged from there - the repo maintainer would have to do it the dirty way.