Add project files.

Common/Program.cs

@@ -0,0 +1,25 @@
+using Config.Net;
+
+namespace Common
+{
+    public static class Global
+    {
+        public static IConfig config = new ConfigurationBuilder<IConfig>().UseJsonFile("config.json").Build();
+    }
+
+    public interface IConfig
+    {
+        [Option(DefaultValue = VerboseLevel.Normal)]
+        VerboseLevel VerboseLevel { get; }
+
+        [Option(DefaultValue = "mongodb://localhost:27017/crepebh")]
+        string DatabaseUri { get; }
+        
+    }
+
+    public enum VerboseLevel
+    {
+        Normal = 0,
+        Debug = 1
+    }
+}