Import Test files

Assets/Scripts/Mono/GO_Gem.cs

@@ -0,0 +1,20 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class GO_Gem : MonoBehaviour {
+    private Rigidbody rigidBody;
+    
+    private void Awake()
+    {
+        this.rigidBody = GetComponent<Rigidbody>();
+    }
+
+    public void Spawn() {
+        this.gameObject.SetActive(true);
+    }
+
+    public void Return() {
+        this.gameObject.SetActive(false);
+    }
+}