Love having access to the UI Library in Xamarin and MAUI!!! I agree with Neha_mazik though, instead of having too include .csproj files into the solution or manually paste bindings into a project, developers would much rather add a nuget package for this library. Typically, in Xamarin (and I assume the same to be true with MAUI), the nuget package documentation that comes with the nuget package has a link to a site (typically the repo) that explains the simple steps for how to consume the library and also any initialization code that needs to be added and where that code should be pasted in. The link to the documentation is part of the nuget package and can be see in the Nuget Package Manager in you this case might point to this forums post. For Xamarin, those instructions will tell developers that they need to add nuget packages in the shared project and in every platform project and that's how the bindings will become available for Xamarin devs. It works like this for all plugins that have implementation that need to access platform specific things like the microphone. The instructions will also tell the dev what permissions they need to configure for each project.
Anyway, awesome work and looking forward to give this a try in an Android app that will be making calls to agents in Teams!
-Russ