Analytics about visits

[triszt4n]

Have an analytics module follow visitation of pages. Not google, rather sth OSS e.g.: https://matomo.org/.

• [ ] Plausible?
• [x] Have KSZK set domain for new blog
• [ ] Create a simple alert for cookie and tracking warning (maybe a small policy page)

[triszt4n]

All right I've put it out of the first release milestone, but this should be the first issue solved after first release

Also, gatsby plugin: https://github.com/kremalicious/gatsby-plugin-matomo

[OmTheTurtle]

I feel like this should be done before the first release, since it'd be nice to have user data from the start.

[Tschonti]

Should be connected to our self hosted plausible on visit.kir-dev.hu