Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/build/docker/grafana/grafana.ini

@@ -0,0 +1,9 @@
+[auth]
+disable_login_form = false
+
+[auth.anonymous]
+enabled = true
+org_role = Editor
+
+[dashboards]
+default_home_dashboard_path = /var/lib/grafana/dashboards/home.json