Add SQL query patterns documentation and Linux package build scripts

- 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.

scripts/jellyfin.spec

@@ -0,0 +1,76 @@
+Name:           jellyfin
+Version:        11.0.0
+Release:        1%{?dist}
+Summary:        Jellyfin Media Server
+License:        GPL-2.0
+URL:            https://jellyfin.org
+Source0:        %{name}-%{version}.tar.gz
+BuildArch:      x86_64
+
+BuildRequires:  rpm-build
+Requires:       openssl-libs
+Requires:       libicu
+Requires:       fontconfig
+Requires:       systemd
+
+%description
+Jellyfin is a Free Software Media System that puts you in control of managing
+and streaming your media. Run the Jellyfin server and access it from a web
+browser, mobile app, media player, or other client application.
+
+%prep
+%setup -q
+
+%build
+# No build needed - we're packaging pre-built artifacts
+
+%install
+mkdir -p %{buildroot}/opt/jellyfin
+mkdir -p %{buildroot}/var/lib/jellyfin
+mkdir -p %{buildroot}/var/log/jellyfin
+mkdir -p %{buildroot}/var/cache/jellyfin
+mkdir -p %{buildroot}/etc/jellyfin
+
+# Copy application files
+cp -r . %{buildroot}/opt/jellyfin/
+
+%pre
+# Create jellyfin user/group if not exists
+if ! id "jellyfin" &>/dev/null; then
+    useradd -r -s /bin/false -d /var/lib/jellyfin jellyfin
+fi
+
+%post
+# Set ownership and permissions
+chown -R jellyfin:jellyfin /opt/jellyfin
+chown -R jellyfin:jellyfin /var/lib/jellyfin
+chown -R jellyfin:jellyfin /var/log/jellyfin
+chown -R jellyfin:jellyfin /var/cache/jellyfin
+
+chmod 755 /opt/jellyfin
+chmod 750 /var/lib/jellyfin
+chmod 750 /var/log/jellyfin
+chmod 750 /var/cache/jellyfin
+
+# Enable and start service
+systemctl daemon-reload || true
+systemctl enable jellyfin.service || true
+
+%preun
+# Stop service before uninstall
+systemctl stop jellyfin.service || true
+systemctl disable jellyfin.service || true
+
+%postun
+# Remove user/group
+userdel jellyfin || true
+
+%files
+/opt/jellyfin
+%dir /var/lib/jellyfin
+%dir /var/log/jellyfin
+%dir /var/cache/jellyfin
+
+%changelog
+* Sun Jul 13 2026 Jellyfin Team <jellyfin@jellyfin.org> - 11.0.0-1
+- Initial release