address system integrator feedback

[catkins-miso]

• [ ] publish an article on the anticipated performance of serde and compression of large area forecasts using the current schema
• [ ] #81
• [x] #95
• [ ] RT and seasonal most limiting element? may be required by a given clearinghouse provider
• [ ] capture rationale for why day/night ratings are not supported for seasonal (probably a paragraph in the not-yet-written seasonal rating usage examples)
• [ ] write up an ADR on emergency durations