forgot to update index.rst
forgot to update index.rst

dcurrie/picrin,leavesbnw/picrin,koba-e964/picrin,ktakashi/picrin,leavesbnw/picrin,ktakashi/picrin,leavesbnw/picrin,ktakashi/picrin,koba-e964/picrin,dcurrie/picrin,koba-e964/picrin,picrin-scheme/picrin,omasanori/picrin,omasanori/picrin,picrin-scheme/picrin