Update README.rst
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mtford90/silk,mtford90/silk,jazzband/silk,crunchr/silk,crunchr/silk,jazzband/silk,crunchr/silk,jazzband/silk,django-silk/silk,django-silk/silk,Alkalit/silk,jazzband/silk,mtford90/silk,mtford90/silk,crunchr/silk,Alkalit/silk,django-silk/silk,Alkalit/silk,django-silk/silk