Insanely huge initial commit

Assets/DontDestroyController.cs

@@ -0,0 +1,16 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class DontDestroyController : MonoBehaviour {
+    [SerializeField] public string myTag;
+    void Awake() {
+        GameObject[] objs = GameObject.FindGameObjectsWithTag(myTag);
+
+        if (objs.Length > 1) {
+            Destroy(this.gameObject);
+        }
+
+        DontDestroyOnLoad(this.gameObject);
+    }
+}