update small changes

See merge request !2

Merge pull request 'configure timeouts for http.Server' (#3) from feature-http-timeouts into main, closes #2

Reviewed-on: https://code.lila.network/adoralaura/ntppool-exporter/pulls/3

Reviewed-on: https://code.lila.network/adoralaura/ntppool-exporter/pulls/5

Reviewed-on: https://code.lila.network/adoralaura/ntppool-exporter/pulls/9