OBEE-34: automerge binder in FE

[tslil-topos]

Implement an automerge store in the FE operating on refId. This doesn't make the connection to actual backend documents yet, and given that the functionality here is implemented in terms of frontend/src/api/types.ts: Api the test follows the convention of mocking this api.

I was not sure what to do with versions or servers, this seemed reasonable to me but it's possible that some missing knowledge would give a better codepath here.

32             if (ref.version !== null) {
33                 return {
34                     tag: "Err",
35                     content: [{ message: "Versioned document references are not supported." }],
36                 };
37             }
38             if (ref.server && ref.server !== api.serverHost) {
39                 return {
40                     tag: "Err",
41                     content: [
42                         { message: `Cannot resolve a document from server "${ref.server}".` },
43                     ],
44                 };
45             }

[github-actions]

Notion Integration

• OBEE-34: Add automerge binder support in FE

[kasbah]

We are starting to overlap work now with my #1372

I had linked you this in another discussion before:
https://github.com/ToposInstitute/CatColab/pull/1372/changes#diff-197d2d2d6e8b325763aa0dd5f0f2a69374573abe32ee58d2304dfacf337bb6d2R40-R118

[tslil-topos]

kaspar has already done this!