Added UI-UX Demo Scene

-Included Toon Shaders
-Included Movement and Popup Scripts
-Included WallRun Demo
-Added Materials

Assets/Scripts/PopupController.cs

@@ -0,0 +1,33 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class PopupController : MonoBehaviour
+{
+    public Text Popup;
+    // Start is called before the first frame update
+    void Start()
+    {
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        if( other.tag == "Player")
+        {
+            if (Popup.gameObject.activeInHierarchy)
+            {
+                Popup.gameObject.SetActive(false);
+            } else
+            {
+                Popup.gameObject.SetActive(true);
+            }
+        }
+    }
+}