security: access control for particles (#169)

* setup firebase custom token

* docs

* docs

* feat: allow admin removing members from a network

* fix: properly handle fallback avatar and names

This is especially helpful in the case of members who were removed from
a network

go/cmd/emailnotifierjob/main.go

@@ -68,7 +68,7 @@ func main() {
 
 	// Initialize services
 	humanSvc := human.NewService(db.Pool())
-	networkSvc := network.NewService(db.Pool(), aeroSvc, billing.Noop())
+	networkSvc := network.NewService(db.Pool(), aeroSvc, billing.Noop(), nil)
 
 	slog.Info("starting email notification cycle")
 	if err := runNotificationCycle(ctx, firestoreClient, aeroSvc, pusherSvc, humanSvc, networkSvc); err != nil {