-created a script for breakable objects

-updated block prefabs (updated size/added breakable script)
-added demo scene for blocks/breakable script

Assets/Scripts/Environment/BreakableBlock.cs

@@ -0,0 +1,37 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BreakableBlock : MonoBehaviour
+{
+    //kicking power 150 (250 for stornger kick)
+    public float health;
+    // Start is called before the first frame update
+    void Start(){
+        //if health is not set, default it to 1
+        if(health == 0){
+
+            health = 3;
+        }
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+    public void damage(float kickPower){
+        int totalDamage = (int)(kickPower / 50.0);
+        health -= totalDamage;
+        Debug.Log(health);
+        //if item is at 0 health
+        if(health <= 0){
+            destroy();
+        }
+    }
+    //called once health here is zero
+    public void destroy(){
+        Destroy(this.gameObject);
+    }
+}

Assets/Scripts/Environment/BreakableBlock.cs.meta

@@ -0,0 +1,11 @@
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