LSIF: Add stats endpoint to lsif-server.
Created by: efritz
Add a /stats endpoint to the lsif-server that returns (for now) the time of latest activity for each repository. This will be used in the frontend to implement pings for RFC 100.
Created by: efritz
Add a /stats endpoint to the lsif-server that returns (for now) the time of latest activity for each repository. This will be used in the frontend to implement pings for RFC 100.