[Coco] Latest MAME binary package (0.213) for CocoPi3 is now available

[Ron Klein]

Latest MAME binary package (0.213) has been created and is available for
easy upgrading via github:

https://github.com/mrgw454/CocoPi3/commit/001b54af6dc7656393bb27ce4fb642769f0637cf
<https://github.com/mrgw454/CocoPi3/commit/001b54af6dc7656393bb27ce4fb642769f0637cf?fbclid=IwAR1TMGG4C_Pdc1vxU2VtV9EZuHWsoYvszBPnsCDAg8FshC_bOdW3ZMvk2DA>

Please see PAGE 3 of the Google Docs instructions for upgrading CocoPi3
with the latest MAME package:
https://docs.google.com/document/d/1tTtsB-_iR7ECtPwY11cxcHeB9GSF8oaZszDFWWV3uNg/edit?usp=sharing
<https://docs.google.com/document/d/1tTtsB-_iR7ECtPwY11cxcHeB9GSF8oaZszDFWWV3uNg/edit?usp=sharing&fbclid=IwAR1EicChNB6kgUV76eANd29r-NwYHVsg24BZXO7s1dh74ntLZQvrR3XB-b4>