Fixing large response writing on TCP connection

[kehiy]

When we have a large response for a GET query, the server can't write the whole response on user's TCP connection and it will be imperfect data.

We need to enhance this line and send data in another way. (we can stream the result(?)) https://github.com/zurvan-lab/TimeTrace/blob/fdfae8ea172049890035294c6b775756f154cdb4/core/server/server.go#L133