add mill driver

cmd/lucifer4-server/main.go

@@ -7,6 +7,7 @@ import (
 	"git.aiterp.net/lucifer3/server/services/effectenforcer"
 	"git.aiterp.net/lucifer3/server/services/httpapiv1"
 	"git.aiterp.net/lucifer3/server/services/hue"
+	"git.aiterp.net/lucifer3/server/services/mill"
 	"git.aiterp.net/lucifer3/server/services/mysqldb"
 	"git.aiterp.net/lucifer3/server/services/nanoleaf"
 	"git.aiterp.net/lucifer3/server/services/script"
@@ -47,6 +48,7 @@ func main() {
 	bus.Join(nanoleaf.NewService())
 	bus.Join(hue.NewService())
 	bus.Join(tradfri.NewService())
+	bus.Join(mill.NewService())
 	bus.Join(uistate.NewService())
 	bus.Join(script.NewService(resolver, variables))
 	bus.Join(database)

services/hue/bridge.go

@@ -348,7 +348,7 @@ func (b *Bridge) SetStates(patch map[string]device.State) {
 func (b *Bridge) Run(ctx context.Context, bus *lucifer3.EventBus) interface{} {
 	hwEvents, err := b.RefreshAll()
 	if err != nil {
-		return errors.New("failed to connect to bridge")
+		return fmt.Errorf("failed to connect to bridge: %s", err)
 	}
 
 	bus.RunEvent(events.Log{