added decryption version functions

bitwardenBackup.py

@@ -144,9 +144,17 @@ def encrypt(client, data):
     except Exception as e:
         logger.error(e)
 
-        
-    
+
 def decrypt(client, data):
+    array_json = base64.b64decode(data)
+    array = json.loads(array_json)
+    match array['version']:
+        case 1:
+            decrypt_v1(client, data)
+        case _:
+            logger.error("Unable to detemine encryption version.")
+    
+def decrypt_v1(client, data):
     try:
         array_json = base64.b64decode(data)
         array = json.loads(array_json)