add logger error when game not found

src/main/java/org/ecorous/esnesnon/nonsense/loader/impl/plugin/game/Minecraft.java

@@ -35,6 +35,7 @@ public class Minecraft implements NonsensePlugin {
 	public boolean init(LoaderImpl loader) {
 		Path gameJar = findGame();
 		if (gameJar == null){
+			LOGGER.error("Could not find game jar!");
 			return false;
 			//throw new IllegalStateException("Could not find game jar!");
 		}