EMP-E Model Matrix

[Ludee]

Add the EMP-E Model Matrix to the GitHub.
Include metadata and license information.

[Ludee]

Add caption and copyright info to graphic:

EMP-E model matrix (blue - EU, green - national, red - regional, yellow - other)\newline \textcopyright { }Reiner Lemoine Institut $\mid$ CC BY-SA 4.0