Add slf4j-simple deps to examples

Author: tadayosi

examples/mnist.java

@@ -3,6 +3,7 @@
 //JAVA 17+
 //REPOS mavencentral,jitpack=https://jitpack.io
 //DEPS com.github.tadayosi:torchserve-client-java:main-SNAPSHOT
+//DEPS org.slf4j:slf4j-simple:1.7.36
 
 import java.nio.file.Files;
 import java.nio.file.Path;

examples/register_mnist.java

@@ -3,6 +3,7 @@
 //JAVA 17+
 //REPOS mavencentral,jitpack=https://jitpack.io
 //DEPS com.github.tadayosi:torchserve-client-java:main-SNAPSHOT
+//DEPS org.slf4j:slf4j-simple:1.7.36
 
 import com.github.tadayosi.torchserve.client.TorchServeClient;
 import com.github.tadayosi.torchserve.client.model.ApiException;

examples/token_auth.java

@@ -3,6 +3,7 @@
 //JAVA 17+
 //REPOS mavencentral,jitpack=https://jitpack.io
 //DEPS com.github.tadayosi:torchserve-client-java:main-SNAPSHOT
+//DEPS org.slf4j:slf4j-simple:1.7.36
 
 import com.github.tadayosi.torchserve.client.TorchServeClient;
 import com.github.tadayosi.torchserve.client.model.ApiException;