set up transaction finalization function

Commented functions are expected names.

src/main/java/tech/iBeans/POSware/Lite/transact.java

@@ -250,4 +250,14 @@ public class transact {
         // Return the state. 
         return(true);
     };
+
+    public static void finalise() {
+        /* Finalize the transaction. */
+
+        // TODO Replace this section with the ability to initialize receiving payment in the backend. 
+        
+        // payment.begin();
+        // receipt.finalise();
+    }
+
 }