[Add] requirements.txt added tigeropen
[Add] requirements.txt added tigeropen

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