Refactor SQLite Database Provider

- Removed unused classes and files related to SQLite database provider, including SqliteDesignTimeJellyfinDbFactory, ModelBuilderExtensions, PragmaConnectionInterceptor, AssemblyInfo, SqliteDatabaseProvider, DateTimeKindValueConverter.
- Updated tests to remove dependencies on removed classes and adjusted mocking for configuration sections.
- Added Microsoft.EntityFrameworkCore.Sqlite package reference to test project.
- Improved string handling in tests for better consistency and clarity.
- Refactored logging methods in JellyfinApplicationFactory for better readability and maintainability.

publish/startup.json.windows

@@ -0,0 +1,13 @@
+{
+  "_comment": "Jellyfin Startup Configuration - Windows defaults - using C:/ProgramData/jellyfin",
+  "_note": "These paths will be used unless overridden by environment variables or command-line arguments",
+  "_priority": "Command-line args > Environment variables > This file > Built-in defaults",
+  "Paths": {
+    "DataDir": "C:/ProgramData/jellyfin/data",
+    "ConfigDir": "C:/ProgramData/jellyfin/config",
+    "CacheDir": "C:/ProgramData/jellyfin/cache",
+    "LogDir": "C:/ProgramData/jellyfin/log",
+    "TempDir": "C:/ProgramData/Temp/jellyfin",
+    "WebDir": "wwwroot"
+  }
+}