Key Levels CustomTF + Backtest: SpacemanBTC

Key Levels Backtest, same logic as the key levels script, provide levels based:
High, Low, Mid and Close.

This was requested, took a long time to post as I fell sick and was given a lot of Dev Work.

Hope this helps those who use it, very useful to see liquidity grabs in my opinion.
Input time in minutes!

Result of a user request.