[$40] Add new file url to bus api event

[gondzo]

Bus event for uploaded files should contain the file url. Url format is https://connect.topcoder.com/projects/{projectId}/attachments/{attachmentId}. Domain should be read from config (topcoder.com or topcoder-dev.com)

chenge should be made at

tc-project-service/src/events/busApi.js

Line 170 in 1602c6c

createEvent(BUS_API_EVENT.PROJECT_FILE_UPLOADED, {

[architectt1]

#137