📕Cloud code file triggers

[TomWFox]

References:
parse-community/parse-server#6344

Proposed solution:
https://docs.parseplatform.org/cloudcode/guide/

[stevestencil]

@TomWFox I can do this for sure... I will knock it out here shortly

[TomWFox]

Awesome, it looks like your addition of file metadata could be included too...
parse-community/Parse-SDK-JS/pull/1065
parse-community/Parse-SDK-JS/pull/1070