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

.editorconfig

@@ -1,4 +1,4 @@
-# EditorConfig for MediaBrowser.Model
+S# EditorConfig for MediaBrowser.Model
 # https://EditorConfig.org
 
 root = true
@@ -40,17 +40,22 @@ dotnet_diagnostic.SA1633.severity = none
 
 # IDE Rules - Suppress non-critical suggestions
 dotnet_diagnostic.IDE0008.severity = silent
+dotnet_diagnostic.IDE0025.severity = none
 dotnet_diagnostic.IDE0028.severity = silent
+dotnet_diagnostic.IDE0045.severity = none
 dotnet_diagnostic.IDE0046.severity = silent
 dotnet_diagnostic.IDE0051.severity = warning
+dotnet_diagnostic.IDE0052.severity = none
 dotnet_diagnostic.IDE0055.severity = warning
 dotnet_diagnostic.IDE0057.severity = silent
 dotnet_diagnostic.IDE0058.severity = silent
 dotnet_diagnostic.IDE0065.severity = none
+dotnet_diagnostic.IDE0074.severity = none
 dotnet_diagnostic.IDE0078.severity = silent
 dotnet_diagnostic.IDE0090.severity = silent
 dotnet_diagnostic.IDE0160.severity = silent
 dotnet_diagnostic.IDE0200.severity = suggestion
+dotnet_diagnostic.IDE0270.severity = none
 dotnet_diagnostic.IDE0290.severity = silent
 dotnet_diagnostic.IDE0300.severity = silent
 dotnet_diagnostic.IDE0301.severity = silent
@@ -70,3 +75,6 @@ dotnet_diagnostic.CA1310.severity = warning
 
 # C# Code Style - Using directive placement
 csharp_using_directive_placement = outside_namespace:silent
+
+# SA0001: XML comment analysis is disabled due to project configuration
+dotnet_diagnostic.SA0001.severity = none