feat: add notification events handling and MQTT integration

- Implemented notification event publishing with a new NotificationEventPublisher interface.
- Created a noopNotificationEventPublisher for testing purposes.
- Added functionality to publish notification created events via MQTT.
- Introduced a new stream event publisher for handling job logs and updates.
- Added database migration for popup_ads table.
- Created tests for notification events and popup ads functionality.
- Established MQTT connection and publishing helpers for event messages.

go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/redis/go-redis/v9 v9.17.2
 	github.com/spf13/viper v1.21.0
 	go.uber.org/zap v1.27.1
-	golang.org/x/crypto v0.47.0
+	golang.org/x/crypto v0.48.0
 	golang.org/x/oauth2 v0.34.0
 	google.golang.org/grpc v1.79.2
 	google.golang.org/protobuf v1.36.11
@@ -22,6 +22,17 @@ require (
 	gorm.io/gen v0.3.27
 	gorm.io/gorm v1.31.1
 	gorm.io/plugin/dbresolver v1.6.2
+	modernc.org/sqlite v1.47.0
+)
+
+require (
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	modernc.org/libc v1.70.0 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.11.0 // indirect
 )
 
 require (
@@ -66,12 +77,12 @@ require (
 	github.com/subosito/gotenv v1.6.0 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/mod v0.32.0 // indirect
-	golang.org/x/net v0.49.0 // indirect
+	golang.org/x/mod v0.33.0 // indirect
+	golang.org/x/net v0.50.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.40.0 // indirect
-	golang.org/x/text v0.33.0 // indirect
-	golang.org/x/tools v0.41.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	golang.org/x/tools v0.42.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
 	gorm.io/datatypes v1.2.4
 	gorm.io/driver/mysql v1.5.7 // indirect