Update notification APIs and logic

[gary02]

Task

• [x] update notification setting API
• [x] add / remove notification types
• [x] trigger vote/mention notifications for journal
• [x] review and revise daily summary email
• [x] delay notification 10s (move notification handling to queue)
• [x] update notification according to rules
• [ ] cancel delayed notifications

Story

• https://github.com/thematters/developer-resource/issues/439

Refs

• https://www.notion.so/matterslab/4bd3ad5700c94504a796c22dae9ba6bc