@IBAction func saveButton(_ sender: Any) {
        db.collection("violets").document(plantName.text!).setData([
            "Plant Name": "(plantName.text ?? "")",
            "Hybridizer": "(hybridizer.text ?? "")",
            "Registration Number": Int("(registrationNumber.text ?? "")"),
            "Type": "(type.text ?? "")",
            "Description": "(generalDescription.text ?? "")",
            "Notes": "(notes.text ?? "")"
        ]) { err in
            if let err = err {
                print("Error writing document: (err)")
            } else {
                print("Document successfully written!")
            }
        }

        uploadImage(violetImage.image!)

    }

service cloud.firestore {
  match /databases/{database}/documents {
    match /{document=**} {
      allow read: if request.auth.uid != null;
      allow write: if request.auth.uid != null && !exists(resource.data)
    }

  }
}