Добавьте файлы проекта.

SQLLinter/Infrastructure/Configuration/Config.cs

@@ -0,0 +1,12 @@
+using SQLLinter.Common;
+using SQLLinter.Core.Interfaces;
+
+namespace SQLLinter.Infrastructure.Configuration
+{
+    public class Config : IConfig
+    {
+        public int CompatibilityLevel { get; set; }
+        public Dictionary<string, RuleViolationSeverity> Rules { get; set; } = new();
+        public List<string> Plugins { get; set; } = new();
+    }
+}