fix(Basic): Return None not Exception if no proxy configured

devine/core/proxies/basic.py

@@ -35,7 +35,7 @@ def get_proxy(self, query: str) -> Optional[str]:
 
         servers: Optional[Union[str, list[str]]] = self.countries.get(country_code)
         if not servers:
-            raise ValueError(f"There's no proxies configured for \"{country_code}\"...")
+            return None
 
         if isinstance(servers, str):
             proxy = servers