Support rediss:// scheme for Redis backend (#52)

* Multiple url schemes for redis

* Update broadcaster/_base.py

Co-authored-by: Pravesh Chapagain <spravesh1818@gmail.com>
Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>

Author: 3 people

broadcaster/_base.py

@@ -31,7 +31,7 @@ def __init__(self, url: str):
         parsed_url = urlparse(url)
         self._backend: BroadcastBackend
         self._subscribers: Dict[str, Any] = {}
-        if parsed_url.scheme == "redis":
+        if parsed_url.scheme in ("redis", "rediss"):
             from broadcaster._backends.redis import RedisBackend
 
             self._backend = RedisBackend(url)