Workflow trigger in cyclone web

[supereagle]

Is this a BUG REPORT or FEATURE REQUEST?:

/kind feature

What happened:

Cyclone already supports cron timer trigger and SCM event webhook trigger, need to enable this ability in Cyclone web.

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

[supereagle]

/assign @huxiangtao
/priority p0