reference project wiki now that it is open

README.markdown

 This repository contains the default definition of the meta information.
-For more information see https://gitlab.rzg.mpg.de/nomad-lab/public-wiki/wikis/nomad-meta-info
+For more information see https://gitlab.rzg.mpg.de/nomad-lab/nomad-meta-info/wikis/home
 The meta_info goes into the application resources, keep extraneous files outside it.
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