Added initial Slingshot code

Assets/Scenes/_Scene_0.unity

@@ -507,6 +507,7 @@ GameObject:
   m_Component:
   - component: {fileID: 1540568165}
   - component: {fileID: 1540568166}
+  - component: {fileID: 1540568167}
   m_Layer: 0
   m_Name: Slingshot
   m_TagString: Untagged
@@ -546,6 +547,18 @@ SphereCollider:
   serializedVersion: 2
   m_Radius: 3
   m_Center: {x: 0, y: 4, z: 0}
+--- !u!114 &1540568167
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1540568164}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 79f74d378cdc33350830dd6c4adcadde, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
 --- !u!1 &1695677383
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/Slingshot.cs

@@ -1,18 +1,12 @@
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
+using System.Collections;
 
 public class Slingshot : MonoBehaviour
 {
-    // Start is called before the first frame update
-    void Start()
-    {
-        
+    void OnMouseEnter() {
+        print("Slingshot:OnMouseEnter()");
     }
-
-    // Update is called once per frame
-    void Update()
-    {
-        
+    void OnMouseExit() {
+        print("Slingshot:OnMouseExit()");
     }
 }