Add Page to Create Multiple Remote Assignments

[joshunrau]

Description

The user should have an option, not associated with a specific subject or visit, to assign remote instruments

Estimated Difficulty

High

Priority

High

[joshunrau]

Closing as superseded by #1500: that issue (in progress — API/gateway merged, web wizard in PR #1528) covers this exact ask, a page to create multiple remote assignments not tied to a specific subject/visit.