Dynamic Template Readmes

[jongio]

The template readmes are very similar across projects. Let's figure out a way to reuse content and make them dynamic. For example, on azd init -t {{ template-name }}

And reuse code from a shared library of MD files.

Have dynamic pre-reqs.

Would could potentially use this: https://github.com/marketplace/actions/dynamic-readme

Sections for reuse

• known issues
• reporting issues / feedback