Add TheTVDB episode title matching and release v1.0.3.

Match filenames to TheTVDB episode order (default, aired, DVD, etc.) to fix chaotic SxxExx numbering while preserving titles.

Co-authored-by: Cursor <[email protected]>

build_appimage.sh

@@ -19,6 +19,8 @@ pyinstaller --noconfirm --onedir --windowed \
   --hidden-import=engine \
   --hidden-import=engine.rules \
   --hidden-import=engine.pipeline \
+  --hidden-import=engine.tvdb_client \
+  --hidden-import=engine.episode_match \
   --hidden-import=gui \
   --hidden-import=gui.main_window \
   --hidden-import=gui.rule_widgets \