Fix stream keep-alive handling and bump to v1.0.0

- Force-close each /stream/{channel_id} response instead of allowing
  keep-alive reuse. Jellyfin's SharedHttpStream tuner client was reusing
  a pooled keep-alive connection mid-stream from an earlier request and
  reading raw MPEG-TS bytes as an HTTP status line, failing with
  'Received an invalid status line'.
- Broaden the disconnect exception handling to ConnectionAbortedError
  alongside ConnectionResetError.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WDDfSVPh5pgNe7TRpZUgJA

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "restreamer"
-version = "0.1.0"
+version = "1.0.0"
 description = "Restreams YouTube livestreams as continuous local streams consumable by Jellyfin Live TV"
 authors = [
     {name = "Jan Doubravsky",email = "jan.doubravsky@gmail.com"}