Add info to DataverseLV instalation on CoreTrustSeal certificate

[koskalns]

Hello!

We have received the CoreTrustSeal certificate!
https://dataverse.nl/dataset.xhtml?persistentId=doi:10.34894/JM7PTH

[pdurbin]

@koskalns congrats on receiving the CoreTrustSeal certification! In 510dab5 I just added it to the map and it looks like this:

[pdurbin]

In gdcc/people.dataverse.org@9a83818 I also updated https://people.dataverse.org to include your CoreTrustSeal for anyone (like you) who has https://dv.dataverse.lv as their primary installation: