Orders for Expert Advisors development - JavaScript - in progress

help me build a platform on Mt5 or mt4, My broker is Fp markets and absolutely accepts hedging, Besides, I have very few commissions with my broker, it's really great, Especially for small accounts, My problem is that I can't stay in front of the charts and I need a tool or something that opens up positions on the opposite side, Up to a certain point that then he has to reverse the position, So basically he has to

Pg 50 21 moving average 8 moving average 130 16:30. Simple ea using this requirement when ever the market price crosses the moving averages enter a position on which ever way the market trend is. When ever it loses a trade double the next position