Outbound live stream notifications (#1663)

* First pass at browser, discord, twilio notifications

* Commit updated Javascript packages

* Remove twilio notification support

* Email notifications/smtp support

* Fix Firefox notification support, remove chrome checks

* WIP more email work

* Add support for twitter notifications

* Add stream title to discord and twitter notifications

* Update notification registration modal

* Fix hide/show email section

* Commit updated API documentation

* Commit updated Javascript packages

* Fix post-rebase missing var

* Remove unused var

* Handle unsubscribe errors for browser push

* Standardize email config prop names

* Allow overriding go live email template

* Some notifications cleanup

* Commit updated Javascript packages

* Remove email/smtp/mailjet support

* Remove more references to email notifications

Co-authored-by: Owncast <owncast@owncast.online>

core/core.go

@@ -15,6 +15,7 @@ import (
 	"github.com/owncast/owncast/core/user"
 	"github.com/owncast/owncast/core/webhooks"
 	"github.com/owncast/owncast/models"
+	"github.com/owncast/owncast/notifications"
 	"github.com/owncast/owncast/utils"
 	"github.com/owncast/owncast/yp"
 )
@@ -25,11 +26,8 @@ var (
 	_transcoder  *transcoder.Transcoder
 	_yp          *yp.YP
 	_broadcaster *models.Broadcaster
-)
-
-var (
-	handler    transcoder.HLSHandler
-	fileWriter = transcoder.FileWriterReceiverService{}
+	handler      transcoder.HLSHandler
+	fileWriter   = transcoder.FileWriterReceiverService{}
 )
 
 // Start starts up the core processing.
@@ -80,6 +78,8 @@ func Start() error {
 
 	webhooks.InitWorkerPool()
 
+	notifications.Setup(data.GetStore())
+
 	return nil
 }