Materialite, take 2

[tantaman]

Integrate Materialite into Rails and/or this app.

The original pass:

• [materialite] repliear + materialite [1/3] #2
• [materialite] add more filters [2/3] #3
• [materialite] incrementally maintain Kanban (WIP) [3/3] #4

Uncovered:

1. A need for after and take so we can emit normal JS collections ([Dev Notes] Where we're going: Pagination, Hoisting and Backends vlcn-io/materialite#2)
2. A need for sorted sources so we can
   1. Implement take and after
   2. Not have to sort the entire result set, allowing for fast query changes in addition to fast incremental updates.

Issues:

• React virtualized tables are all offset based pagination. We need cursor based for after
• Deletions can retract things from a window. We need the ability to pull more data from the source to re-fill a window
• Count still requires scanning the entire dataset for initial count
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