If you are going to contribute and wish to be the part of ongoing development of BRL-CAD, you are highly recommended to read following introductory article to let you know the current roadmap of the project.
An Introduction To New Developers
I'm interested in BRL-CAD development. How can I get involved?
I'm trying to add a new file to the repository and I get an error on commit about mime types. What should I do?
You should set the mime type. See mime-types for more information.