Multi RSI based on Timeframe

This code has been inherited from "[CP]3 RSI Multi Timeframe Inception" by pranjalchaubey and enhanced/modified to include 2 more RSI indicators. The RSIs considered are 15 minutes, 1 Hour, Daily, Weekly and Monthly displayed based on chart time frame.

The number of RSI indicators displayed is context dependant or time frame based, as below,

15min, hourly and daily RSIs are displayed on 15 mins or hourly charts, often used for Intraday trading,
Daily, Weekly and Monthly RSIs are displayed for Daily charts / Swing trading and
Weekly and Monthly RSIs for Weekly time frame / Positional trades.