Constellation, Spacedust, Slingshot, UFOs: atproto crates and services for microcosm

Convert existing REST /links/count endpoint to XRPC equivalent #41

Closed microcosm.blue
targeting main from deleted fork:xrpc_backlinks_count
Closed opened by and assigned to microcosm.blue
targeting main from deleted fork:xrpc_backlinks_count

Add getCounts XRPC equivalent to REST /links/count

Simple conversion of the existing endpoint from REST to XRPC. Consequtively marked the pre-existing REST endpoint as deprecated.

In addition we now ignore rocks.test

Commits 0