Update index.rst
Update index.rst

Fix broken links.
raphael0202/spaCy,lukw00/spaCy,oroszgy/spaCy.hu,honnibal/spaCy,wbwseeker/spaCy,aikramer2/spaCy,rebeling/spaCy,explosion/spaCy,recognai/spaCy,rebeling/spaCy,lygics/spaCy,lukw00/spaCy,recognai/spaCy,raphael0202/spaCy,wbwseeker/spaCy,spacy-io/spaCy,explosion/spaCy,Gregory-Howard/spaCy,wbwseeker/spaCy,Gregory-Howard/spaCy,spacy-io/spaCy,banglakit/spaCy,rebeling/spaCy,honnibal/spaCy,explosion/spaCy,Gregory-Howard/spaCy,raphael0202/spaCy,recognai/spaCy,lukw00/spaCy,oroszgy/spaCy.hu,pombredanne/spaCy,pombredanne/spaCy,rebeling/spaCy,aikramer2/spaCy,banglakit/spaCy,recognai/spaCy,explosion/spaCy,lygics/spaCy,Gregory-Howard/spaCy,explosion/spaCy,lukw00/spaCy,oroszgy/spaCy.hu,spacy-io/spaCy,banglakit/spaCy,lygics/spaCy,spacy-io/spaCy,spacy-io/spaCy,oroszgy/spaCy.hu,lygics/spaCy,pombredanne/spaCy,banglakit/spaCy,Gregory-Howard/spaCy,spacy-io/spaCy,raphael0202/spaCy,lygics/spaCy,aikramer2/spaCy,honnibal/spaCy,Gregory-Howard/spaCy,oroszgy/spaCy.hu,wbwseeker/spaCy,pombredanne/spaCy,recognai/spaCy,recognai/spaCy,aikramer2/spaCy,aikramer2/spaCy,raphael0202/spaCy,banglakit/spaCy,banglakit/spaCy,lukw00/spaCy,explosion/spaCy,oroszgy/spaCy.hu,aikramer2/spaCy,raphael0202/spaCy,honnibal/spaCy,wbwseeker/spaCy,wbwseeker/spaCy,rebeling/spaCy