Replace button serializable action with unity event. Rename package namespace names to follow typical conventions.

Editor/PropertyDrawer/SerializableFuncBasePropertyDrawer.cs

@@ -5,7 +5,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using System.Text;
-using SerializableFunc.Runtime;
+using SerializableFunc;
 using UnityEditor;
 using UnityEditor.UIElements;
 using UnityEditorInternal;