Add a basic sample

Author: rubengees

sample/build.gradle

@@ -0,0 +1,12 @@
+apply plugin: 'java'
+apply plugin: 'application'
+
+mainClassName = "me.proxer.sample.News"
+
+run {
+    standardInput = System.in
+}
+
+dependencies {
+    implementation project(':library')
+}

sample/src/main/java/me/proxer/sample/News.java

@@ -0,0 +1,39 @@
+package me.proxer.sample;
+
+import me.proxer.library.api.ProxerApi;
+import me.proxer.library.api.ProxerException;
+
+import java.util.Scanner;
+import java.util.stream.Collectors;
+
+/**
+ * @author Ruben Gees
+ */
+public class News {
+
+    public static void main(String[] args) {
+        ProxerApi api = new ProxerApi.Builder(readApiKey()).build();
+
+        try {
+            final String news = api.notifications().news()
+                    .build()
+                    .execute()
+                    .stream()
+                    .map(newsArticle -> newsArticle.getSubject() + " written by " + newsArticle.getAuthor())
+                    .collect(Collectors.joining("\n"));
+
+            System.out.println();
+            System.out.println("These are the latest news:\n" + news);
+        } catch (ProxerException exception) {
+            System.out.println("Something went wrong: " + exception.getMessage());
+        }
+    }
+
+    private static String readApiKey() {
+        System.out.print("Please pass your api key: ");
+
+        try (final Scanner scanner = new Scanner(System.in)) {
+            return scanner.next();
+        }
+    }
+}

settings.gradle

@@ -1 +1 @@
-include ':library'
+include ':library', ':sample'