setup a start for how we can do documentation based on MRjs versions

[hanbollar]

• just includes manual copy of the docs at that version publishing state so that we have them stored

in future:

• will need a way to have them published directly with the site at url
• will need way for a user to toggle between them

[render]

Your Render PR Server URL is https://documentation-pr-28-pe36.onrender.com.

Follow its progress at https://dashboard.render.com/static/srv-cnu9a67109ks73c4f2h0.

[hanbollar]

• just includes manual copy of the docs at that version publishing state so that we have them stored

in future:

• will need a way to have them published directly with the site at url
• will need way for a user to toggle between them

going to make an issue for this as easier todos to track