Create organisation level markdown file

[JustCallMeRay]

This should include:

• A link to the meetup

• A link to the discord

• When the Dojos are (every other Wednesday)

• Where (online in summer holidays, in person the rest of the time)

• Why this organisation was made

• How people can get involved (send ray a message)

• What codehub is

• When the next one is (if you can make it work without committing to it every time, try an image )