Add support for custom aiohttp connector (#325)

This should allow users that need it to add support for SOCKS5
in their application via https://pypi.org/project/aiohttp-socks/.

Partially fixes: https://github.com/rany2/edge-tts/issues/147

Signed-off-by: rany <rany2@riseup.net>

src/edge_tts/submaker.py

@@ -15,7 +15,7 @@ class SubMaker:
 
     def add_cue(self, timestamp: Tuple[float, float], text: str) -> None:
         """
-        Add a subtitle part to the SubMaker object.
+        Add a cue to the SubMaker object.
 
         Args:
             timestamp (tuple): The offset and duration of the subtitle.