adding some basic exchange

econ/business.py

@@ -1,5 +1,5 @@
 class Business():
-    def __init__(self,production,balance) -> None:
+    def __init__(self,id,production,balance) -> None:
         """production (dict): {
                                 name: 'Gem',
                                 amount: 4,
@@ -10,6 +10,7 @@ class Business():
                             }
         balance (int): Starting Balance 
         """
+        self.id=id
         self.production=production
         self.balance=balance
         #Setup Inventory