As a user, I want a place to find more information beyond the single sentence description of the options provided when I run `coder template init`. <img width="443" alt="Screen Shot 2022-06-15 at 10 35 25 AM" src="https://user-images.githubusercontent.com/2394436/173880202-e9b0f99e-c506-4761-be91-c02ac19740a0.png"> Implementation Notes: Add a link to the template readme.