Template Endpoint Configs

_As an endpoint administrator I want a template config for my setup to ease initial configuration_

## Assumptions
1. There are templates for sites (Theta, Stampede, BlueWaters)
2. Automatically generate docs

The issue names endpoint configuration templates for Theta, Stampede, and BlueWaters, plus automatically generated documentation, but gives no files, tests, or entry points. First locate the endpoint configuration and documentation-generation entry points, then determine the expected template contents and how completion will be verified.

Written by the indexing model from the issue text.