feat: OnAttack behavior (#1853)

Adds the `OnAttack` property behavior starting node.
Tested that having the node allows the model to be attacked to trigger the start of behaviors

dGame/dPropertyBehaviors/State.cpp

@@ -170,3 +170,7 @@ void State::Update(float deltaTime, ModelComponent& modelComponent) {
 void State::OnChatMessageReceived(const std::string& sMessage) {
 	for (auto& strip : m_Strips) strip.OnChatMessageReceived(sMessage);
 }
+
+void State::OnHit() {
+	for (auto& strip : m_Strips) strip.OnHit();
+}