prune spam msgs (#8)

* prune spam msgs
* regex
* simplify

fix fetch overview

update codecov

count GH review comments

set request timeout

fetch repo info

CLI: parse type

* aggreg comments - parse type
* fix type filtering
* skip empty datagrams
* fix colorbar
* version++
* update auto-size figure

Feature: commenter timeline (#3)

* compute comments aggregation
* add visual - double figure
* add os env - auth token
* filter users by contribution
* filter users - bots
* update test & CI
* readme: - add illustration
* update coverage