Add PostgreSQL provider and code cleanup

Added Jellyfin.Database.Providers.Postgres project and integrated Npgsql packages for PostgreSQL support. Updated solution and test project references. Refactored code for clarity and performance, including improved string handling, log formatting, and plugin management. Enhanced .editorconfig rules and fixed minor test issues. Added publishing profiles and updated web server setup references. Cleaned up assembly info and cache files.
Now able to successfully build solution

src/Jellyfin.CodeAnalysis/obj/Debug/netstandard2.0/Jellyfin.CodeAnalysis.AssemblyInfo.cs

@@ -1,6 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -13,7 +14,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("Jellyfin.CodeAnalysis")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+8c300533f94f1b44d8ac6fcc166769d27acfd10c")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+d1e6fbc12266490c91a8cc32d9f9eb43f6c961b7")]
 [assembly: System.Reflection.AssemblyProductAttribute("Jellyfin.CodeAnalysis")]
 [assembly: System.Reflection.AssemblyTitleAttribute("Jellyfin.CodeAnalysis")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

src/Jellyfin.CodeAnalysis/obj/Debug/netstandard2.0/Jellyfin.CodeAnalysis.AssemblyInfoInputs.cache

@@ -1 +1 @@
-6962aa3d5d796665d2b25b34dd7aff91349dcb7e0e8dd2fdad8668462b4f7a34
+02669f7b2e5b29053e97c2c10b763f5f61e0ca0906507b64fdb62c6386f0f64f