add Text+ centres

[bansp]

Continuing the task started in #204 , now go through Text+ centres and add them, in some case also adding DARIAH to the mix (and most probably also CLARIAH).

https://www.text-plus.org/en/research-data/data-and-competence-centres/

This issue is up for grabs, and help would be appreciated.

[bansp]

Don't lose sight of the comment inherited from the previous issue: #204 (comment)

[bansp]

Update: there is now an "improved" homepage for Text+ and the link above won't work. In fact, I have no idea if the info is still represented in a compact form, or rather spread across data domains. Oh, the content of https://text-plus.org/en/research-data/ suggests that the aggregated information may be gone altogether, or perhaps they now structure the content vs. i18n differently.

[bansp]

Update: here it is, in Japanese colours: https://text-plus.org/en/vernetzung/daten-kompetenzzentren/

[bansp]

@margaretha is going to have a look at the script and piotr will take care of adding the data.

[bansp]

Decision suspended pending confirmation from Text+.