Howdy, Michael! Welcome to the Auth0 Community. Thank you for your work in that package 
By all means feel free to include a link to the blog post in your docs 
It would be an honor.
We can update the blog post to cite your name directly too:
flutter_appauth : A well-maintained wrapper package around AppAuth for Flutter developed by Michael Bui. AppAuth authenticates and authorizes users and supports the PKCE extension.
What do you think?