Add dynamic configuration to ruby gem, configure devise to only allow users to sign up new users

<p><strong>Q: What was the request about? </strong></p> <p>Josh wanted to extend his gem to use a dynamic configuration he could set within a rails initializer.</p> <p><strong>Q: How did you help with the request?</strong></p> <p>I showed Josh how to harness yields to build a static configuration which he could use inside a rails initializer.</p> <p>I helped Josh set up a private gem repository to store his gem</p> <p>I helped Josh build a devise controller which would allow the creation of new users only for admins.</p> <strong>Q: Any best practices &amp; key learnings you can share?</strong><p></p> <p>GemFury is a good way of storing and distributing private ruby gems</p>