feat(scripting): add mono csharp runtime foundation

managed/XCEngine.ScriptCore/Debug.cs

@@ -0,0 +1,20 @@
+namespace XCEngine
+{
+    public static class Debug
+    {
+        public static void Log(string message)
+        {
+            InternalCalls.Debug_Log(message ?? string.Empty);
+        }
+
+        public static void LogWarning(string message)
+        {
+            InternalCalls.Debug_LogWarning(message ?? string.Empty);
+        }
+
+        public static void LogError(string message)
+        {
+            InternalCalls.Debug_LogError(message ?? string.Empty);
+        }
+    }
+}