Service worker does not return 200 when the app is offline, resulting in PWA not being installable.

Lighthouse PWA Audit:

Add a way to update service workers, and purge cached files.
We can do automatic updates or show the user "Update available" and update the app when they perform an action (button press) or we can also look into other ways of updating it.

Links:
https://developers.google.com/web/fundamentals/primers/service-workers/lifecycle#updates
https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API/Using_Service_Workers#Updating_your_service_worker

🚀 Setup easy deployment with containers.

🐛 Running rush watch does not work due to using UNIX type file paths.

Current workaround, change the rush watch command to use Windows type file path.

App icon badging graduated from origin trails in Chrome 81.
https://web.dev/badging-api/

We should look into implementing app badges for open classes.

Create and connect actions and reducers for:

• Add Course
  • Search Course
• Remove Course
• Get Courses
• Sign In
• Sign Out

Related PR: #103

This is needed for optimal compatibility when developing on most devices.

Send verification email when user signs up to verify email address.

✨ Setup PWA and manifest.

The microservice should interface with the scraper, the scraper should not be built into the microservice itself. This allows for separate scaling of application servers w/ business logic and scrapers.

✨ NPM7 seems to make rush obsolete, we should keep a port to npm7 in mind.

✨ Setup MongoDB Atlas?? ( option in .env file to allow for development environments with local mongodb )

Possibly move container deployment into the cloud?

Add a way for users to change passwords themselves using email verification.

Frontend rework.

Sync classes which are being tracked more frequently.
Sync multiple terms