Feat: automation attached to dialogue schedule

[Cold-A-Muse]

In this PR

• Create/Update Send Dialogue Link automation based on DialogueSchedule
• Cron helper class
• EventBridge helper class

https://user-images.githubusercontent.com/5823083/196117863-6d7b0728-c8ee-45ee-aba3-aee044edfe91.mov

[Cold-A-Muse]

Because of turning EventBridge into a service I had to move some stuff around to avoid circular dependencies. Let me know if u still approve