Initial framework for upgrade shop

Assets/UI overlay/WaveIndicator.cs

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+using UnityEngine;
+
+public class WaveIndicator : MonoBehaviour
+{
+	GameState gameState;
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        gameState = GameObject.FindGameObjectWithTag("GameController").GetComponent<GameState>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+		GetComponent<TMPro.TMP_Text>().text = "Wave: "+gameState.wave;
+    }
+}

Assets/UI overlay/WaveIndicator.cs.meta

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+fileFormatVersion: 2
+guid: 718783a6a2d0457d590a9bbe51b7d5e4

Assets/UI overlay/healthIndicator.cs

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+using UnityEngine;
+
+public class healthIndicator : MonoBehaviour
+{
+	GameObject player;
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        player = GameObject.FindGameObjectWithTag("Player");
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+		GetComponent<TMPro.TMP_Text>().text = "Health: "+player.GetComponent<Teo>().health.ToString()+"/100";
+    }
+}

Assets/UI overlay/healthIndicator.cs.meta

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+fileFormatVersion: 2
+guid: 07e7096bcd8103c3faadeefc30c8a2f4