- Created `TV_SHOWS_SQL_QUERY_PATTERNS.md` to document SQL query patterns for TV shows, including performance issues and missing indexes.
- Added `README.md` for Linux package building, detailing steps for creating Debian and Red Hat packages.
- Implemented build scripts for Debian and Red Hat, including service files and post-installation hooks.
- Added necessary scripts for managing Jellyfin service lifecycle on both Debian and Red Hat systems.
- Included package specifications and installation instructions for both distributions.
Refactored all C# test files to use explicit namespace declarations and moved all using directives inside the namespace block for consistency. Updated assembly info and cache files to reflect the new build. Adjusted MvcTestingAppManifest.json to use fully qualified assembly names. No functional changes; all updates are related to code style, organization, and project metadata.