First, we strongly recommend you to join our Discord server. This is where you can best communicate with other community members. We are always looking for more help from the community. PRs are always welcome.
The best way to contribute in documentation is by loading the documentation on your local machine as instructed here. With this approach, you can preview your changes locally.
Once your changes are ready to be submitted, create a Pull Request in the Moddio Docs Github Repo, and someone from our core team will review.
Moddio Engine is completely free and open source under the MIT license. Try running the game engine locally and make changes as you deem necessary.
We strongly recommend you to familarize yourself with Moddio Game Editor. To learn how to use the editor, visit https://learn.modd.io.
Once your changes are ready to be submitted, create a PR in Moddio Game Engine Github Repo, and someone from our core team will review.