Adding ability to retrieve docker_images value

src/main/java/com/mattmalec/pterodactyl4j/application/entities/ApplicationEgg.java

@@ -74,6 +74,8 @@ public interface ApplicationEgg extends Egg, ISnowflake {
 	 */
 	String getDockerImage();
 
+	List<DockerImage> getDockerImages();
+
 	/**
 	 * The stop command for the ApplicationEgg
 	 * <br>This is ran when a user executes {@link ClientServer#stop()} or hits the <code>Stop</code> button on the panel

src/main/java/com/mattmalec/pterodactyl4j/application/entities/DockerImage.java

@@ -0,0 +1,7 @@
+package com.mattmalec.pterodactyl4j.application.entities;
+
+public interface DockerImage {
+    String getName();
+
+    String getImage();
+}

src/main/java/com/mattmalec/pterodactyl4j/application/entities/impl/ApplicationEggImpl.java

@@ -19,6 +19,7 @@
 import com.mattmalec.pterodactyl4j.EnvironmentValue;
 import com.mattmalec.pterodactyl4j.PteroAction;
 import com.mattmalec.pterodactyl4j.application.entities.ApplicationEgg;
+import com.mattmalec.pterodactyl4j.application.entities.DockerImage;
 import com.mattmalec.pterodactyl4j.application.entities.Nest;
 import com.mattmalec.pterodactyl4j.application.entities.Script;
 import com.mattmalec.pterodactyl4j.requests.CompletedPteroAction;
@@ -82,6 +83,16 @@ public String getDockerImage() {
 		return json.getString("docker_image");
 	}
 
+	@Override
+	public List<DockerImage> getDockerImages() {
+		JSONObject images = json.getJSONObject("docker_images");
+		List<DockerImage> dockerImages = new ArrayList<>();
+		for (String key : images.keySet()) {
+			dockerImages.add(new DockerImageImpl(key, images.getString(key)));
+		}
+		return dockerImages;
+	}
+
 	@Override
 	public String getStopCommand() {
 		return json.getString("stop");

src/main/java/com/mattmalec/pterodactyl4j/application/entities/impl/DockerImageImpl.java

@@ -0,0 +1,22 @@
+package com.mattmalec.pterodactyl4j.application.entities.impl;
+
+import com.mattmalec.pterodactyl4j.application.entities.DockerImage;
+
+public class DockerImageImpl implements DockerImage {
+    private final String name;
+    private final String image;
+
+    public DockerImageImpl(String name, String image) {
+        this.name = name;
+        this.image = image;
+    }
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public String getImage() {
+        return image;
+    }
+}