[Org Post]: Add OpenCraft as an open source organization

[antoviaque]

• Name: OpenCraft
• GitHub URL: https://github.com/open-craft/
• Official URL: https://opencraft.com/
• Job URL: https://opencraft.com/jobs/open-source-developer/
• One sentence intro: Development specialized on the free software & online education project Open edX, used by and in part developed by organizations like MIT, Harvard, McKinsey, and others
• majorRepos: https://github.com/edx/edx-platform https://github.com/open-craft/opencraft
• email: jobs@opencraft.com (no application at this address, use the application form from "Job URL")