csproj file icon

src/SharpIDE.Godot/Features/SolutionExplorer/SolutionExplorerPanel.FileIcons.cs

@@ -18,6 +18,7 @@ public partial class SolutionExplorerPanel
     private readonly Texture2D _imageFileIcon = ResourceLoader.Load<Texture2D>("uid://73nvtvnx1tie");
     private readonly Texture2D _fSharpIcon = ResourceLoader.Load<Texture2D>("uid://xa0ntrn7vvbr");
     private readonly Texture2D _xmlIcon = ResourceLoader.Load<Texture2D>("uid://p5jl3uv51irw");
+    private readonly Texture2D _csprojIcon = ResourceLoader.Load<Texture2D>("uid://cqt30ma6xgder");
     
     private readonly Texture2D _propsFileOverlayIcon = ResourceLoader.Load<Texture2D>("uid://fa7tdmldi206");
     private readonly Texture2D _configFileOverlayIcon = ResourceLoader.Load<Texture2D>("uid://brsdisqgeah5n");
@@ -42,6 +43,7 @@ public partial class SolutionExplorerPanel
             ".png" or ".jpg" or ".jpeg" or ".gif" or ".bmp" or ".svg" or ".ico" or ".avif" or ".webp" => _imageFileIcon,
             ".fs" => _fSharpIcon,
             ".xml" or ".nuspec" => _xmlIcon,
+            ".csproj" => _csprojIcon,
             _ => _genericFileIcon
         };
         var overlayTexture = fileExtension switch