Update cta_backtester.md
Update cta_backtester.md

andrewchenshx/vnpy,msincenselee/vnpy,vnpy/vnpy,bigdig/vnpy,andrewchenshx/vnpy,bigdig/vnpy,andrewchenshx/vnpy,bigdig/vnpy,msincenselee/vnpy,andrewchenshx/vnpy,bigdig/vnpy,andrewchenshx/vnpy,msincenselee/vnpy,msincenselee/vnpy,vnpy/vnpy