New Example Provided Implementing Authorization Code and Refresh Token

[14gasher]

I've worked on creating a new example that hopefully helps a little in determining what to do. https://github.com/14gasher/oauth-example Enjoy.

[14gasher]

https://github.com/oauthjs/express-oauth-server/issues/76

[g-javi]

@14gasher great work! I reckon we should update all the examples in this repo since they are not relevant to the current version anymore

[14gasher]

@gjavi1 I totally agree

[mInzamamMalik]

Thanks man, one day I'm sure I will use this example, I requested this long ago and you considered it im glad