V0.6.0 - Adds ability to create different notifications

[KSJaay]

Summary

This PR introduces notifications for when services are down/recovered. This is the first of two parts for PRs, the second PR will be out later this month. And needs to be merged at the same time!

New Features

• Allows users to create notifications
• New page to show currently available notifications
• Adds notification support for Discord, Slack, Telegram, and Webhooks
• Adds Collection which extends Map with a few extra functions
• Adds schemas for notifications (To be used in the future)

Updates

• Reworks folder structure to better share code
• Reworks context store to add computed methods

Additional Info

• Does this update require migration? (If yes, add extra details)
• Are there any other PRs that need to be merged? (If yes, add extra details)