Rename SimpleStockSignalsRSI.ipynb to 21_SimpleStockSignalsRSI.ipynb

Author: LastAncientOne

SimpleStockSignalsRSI.ipynb renamed to 21_SimpleStockSignalsRSI.ipynb

@@ -766,4 +766,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 4
-}
+}