Add time and timezone parameters to register and google auth endpoints

Merge pull request #25 from dabigjoe6/timezone

Add time and timezone parameters to register and google auth endpoints

Ensure default frequency is set for new users

Fix issue of digest not being sent to new users, by ensuring a default frequency is set for every user

Metrics, Unit tests

• Add metrics endpoint
• Add unit test to each endpoint (except metrics)

Limit number of latest articles

Limit number of latest articles

Enable auto indexing

Merge pull request #18 from dabigjoe6/fix-indexing

Enable auto index

Fix duplicate latest articles

Fix duplicate latest articles. Url is set to be a unique index in DB

Fix feed process

Set maximum characters to be sent in message feed to 5000

Fix sync process

Fix sync process

Welcome mail on user sign up

Welcome mail on user sign up

Update resources

Update resources