make sure all websites have nmaster and staging branch

[sasha-astiadi]

• [x] make sure all websites on https://docs.google.com/spreadsheets/d/1RsCcmXt2ds4wWK-Tdp6KokyoGl-dEW96W84O89eiE4U/edit#gid=0 has master and dev branch / producting and staging
• [x] master branch for production www.
• [x] development for staging on www2.
• [x] make development branch as default
• [x] update readme on repo

[ehab-hassan]

https://github.com/threefoldtech/tf_operations/issues/1677

[sasha-astiadi]

done thank you @ehab-hassan