[enh] #58 make client connect_ws path argument optional

duniterpy/api/client.py

@@ -301,7 +301,7 @@ class Client:
 
         return result
 
-    def connect_ws(self, path: str) -> _WSRequestContextManager:
+    def connect_ws(self, path: str = '') -> _WSRequestContextManager:
         """
         Connect to a websocket in order to use API parameters