Write documentation how to run in production

[mitar]

Documentation how to run in production is missing. I had to reconstruct that myself. I do not like that.

I made a script to help me. But as you see, there are also some files I have to mount in, as they cannot be in a public repository:

• config/database.yml
• config/environments/production.rb
• config/initializers/secret_token.rb
• config/initializers/devise.rb

I also had to learn how to create a database for the first time and how to migrate later on. This should all be in the documentation. (There is part of this in local installation, but it is not enough.)