Feat rebrand armature (#43)

Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>

server/notifications/service.go

@@ -7,9 +7,9 @@ import (
 	"sync"
 	"time"
 
-	"switchboard-core/events"
-	"switchboard-core/models"
-	"switchboard-core/store"
+	"armature/events"
+	"armature/models"
+	"armature/store"
 )
 
 // ── Package-level singleton ─────────────────
@@ -53,7 +53,7 @@ func NewService(s store.NotificationStore, hub *events.Hub) *Service {
 	return &Service{
 		store:         s,
 		hub:           hub,
-		instanceName:  "Switchboard Core",
+		instanceName:  "Armature",
 		retentionDays: 90,
 		stopCleanup:   make(chan struct{}),
 	}