Add endpoint for searching similar documents
Add endpoint for searching similar documents

It's somewhat hacky and uses I don't know many SQL queries, but meh,
it's only temporary

Kha/odie-server,fjalir/odie-server,Kha/odie-server,Kha/odie-server,fsmi/odie-server,fjalir/odie-server,fjalir/odie-server,fsmi/odie-server,fsmi/odie-server