081cc60aa5
Return the build status as return code from the `main` helper function. In the process convert the handling if the file was sourced or directly executed into an explicit if/else statement to make the intent clearer. In case of an build error the error is now reported at the build step, where the error happened. Fixes: https://github.com/InfiniTimeOrg/InfiniTime/issues/1292
Docker images and build script for building the project using Docker. See this page for more info.