layout title buttons default MIPs contribution icon content url external_url slack Join Slack workspace https://join.slack.com/t/openmavn/shared_invite/zt-d1bku3gj-IUrfs36DHYkJ4D~l~DgUbQ true icon content url external_url telegram Join Telegram group https://join.slack.com/t/openmavn/shared_invite/zt-d1bku3gj-IUrfs36DHYkJ4D~l~DgUbQ true {% include_relative CONTRIBUTING.md %}