I've just added a tutorial on how to install and configure IdentityServer v3 which is still in Beta so you can start playing with it. I will also create a publicApi (using web api v2) and an AngularJs web application thet wil use IdentityServer as it's token authentication system. Here is the link to the tutorial :

IdentityServer.v3, MembershipReboot, AngularJs, WebApi 2 and MVC : Mix It ! : Introduction

quick links to parts : part 1- part 2 -part 3 - part 4 - part 5

quick link to the full code : https://github.com/CedricDumont/Mix-It