Maksim has contributed several high-quality pull requests to our webapp repo: https://github.com/elimu-ai/webapp/pulls?q=is%3Apr+author%3Amaksim-n-vinogradov+is%3Aclosed
So I propose adding him as a maintainer (https://github.com/elimu-ai/webapp/blob/main/.github/CODEOWNERS), with access to merging pull requests.