Add Normal in vertex. And add light in shader.

Test_LandblockExtraction/AtlasMaker/TerrainInfo/TerrainTests.cs

@@ -0,0 +1,27 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using LandblockExtraction.AtlasMaker;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LandblockExtraction.AtlasMaker.Tests;
+
+[TestClass()]
+public class TerrainTests {
+    [TestMethod()]
+    public void TerrainTest() {
+        Assert.Fail();
+    }
+
+    [TestMethod()]
+    public void AddSubTerrainTest() {
+        Assert.Fail();
+    }
+
+    [TestMethod()]
+    public void DetermineSubTerrainTest() {
+        Assert.Fail();
+    }
+}