Create a proposal for state modularization

[ericpgreen2]

Map out how we'll move application state out of the server and into the client. Consider a query-caching library (like RTK-query or svelte-query) and consider the resulting scope of the global state store (Redux, Svelte Stores).

[hamilton]

Sprint 26 status:

• drafted a proposal, gotten feedback
• get to itemized list of things to do, like the work plan

Action items:

• Team to meet on Wednesday to discuss – @ericpgreen2 to schedule. We'll discuss the main state mod proposal + prototype
• new proposal – metrics def API & sync with platform (@bcolloran + @ericpgreen2)
• prototype – try out svelte-query (@AdityaHegde)