Fix typo in succeed command output

Author: ethanhann

src/InEngine.Commands/AlwaysSucceed.cs

@@ -9,7 +9,7 @@ public class AlwaysSucceed : AbstractCommand
     {
         public override void Run()
         {
-            Info("Ths command always succeeds.");
+            Info("This command always succeeds.");
         }
     }
 }