docs: improve CONTRIBUTING.md with setup guide and clearer English

6.0.1

fix: update viewer link

Merge pull request #43 from rogersmith333/patch-1

Update README.md

Merge pull request #42 from p0pstas/change-license

Change license to AGPL-3.0-or-later

feat: maxRequests hard limit, for public server

docs: update public url to json-viewer.popstas.pro

feat: html_size now calculate size before js render

6.0.0

chore: disable changelog-config

fix: better cancelling, error logging, fix rescan for remain urls

fix: respect disablePlugins from config

fix: --timeout default 10 -> 20 sec, reduce retryDelay 10 -> 5 sec, lighthouse maxWaitForLoad 10 -> 30 sec