Add ssltransport for robovacs (#943)

This PR implements a clear-text, token-based transport protocol seen on
RV30 Plus (#937).

- Client sends `{"username": "email@example.com", "password":
md5(password)}` and gets back a token in the response
- Rest of the communications are done with POST at `/app?token=<token>`

---------

Co-authored-by: Steven B. <51370195+sdb9696@users.noreply.github.com>

tests/test_device_factory.py

@@ -47,7 +47,10 @@ def _get_connection_type_device_class(discovery_info):
         dr = DiscoveryResult.from_dict(discovery_info["result"])
 
         connection_type = DeviceConnectionParameters.from_values(
-            dr.device_type, dr.mgt_encrypt_schm.encrypt_type
+            dr.device_type,
+            dr.mgt_encrypt_schm.encrypt_type,
+            dr.mgt_encrypt_schm.lv,
+            dr.mgt_encrypt_schm.is_support_https,
         )
     else:
         connection_type = DeviceConnectionParameters.from_values(