Provide DAO methods for Realm objects

ios/App/Shared/util/Extensions.swift

@@ -94,3 +94,19 @@ extension URL {
         return attributes?[.creationDate] as? Date
     }
 }
+
+// MARK: - DAO Methods
+extension Object {
+    func save() {
+        let realm = try! Realm()
+        try! realm.write {
+            realm.add(self, update: .modified)
+        }
+    }
+    
+    func update(handler: () -> Void?) {
+        try! self.realm?.write {
+            handler()
+        }
+    }
+}