Implement ASYNC scoreboard update support

pom.xml

@@ -60,4 +60,13 @@
         </plugins>
     </build>
 
+
+    <dependencies>
+        <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot-api</artifactId>
+            <version>1.8.8-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
 </project>

src/main/java/me/tigerhix/lib/scoreboard/type/Scoreboard.java

@@ -62,4 +62,19 @@ public interface Scoreboard {
      */
     Player getHolder();
 
+    /**
+     * Check if the scoreboard update task is async
+     *
+     * @return If the task should be async
+     */
+    boolean isAsync();
+
+    /**
+     * Update the async option
+     *
+     * @param value If the async option is enabled
+     * @return The updated value
+     */
+    Scoreboard setAsync(boolean value);
+
 }

src/main/java/me/tigerhix/lib/scoreboard/type/SimpleScoreboard.java

@@ -37,6 +37,7 @@ public class SimpleScoreboard implements Scoreboard {
     private Table<String, Integer, FakePlayer> playerCache = HashBasedTable.create();
     private Table<Team, String, String> teamCache = HashBasedTable.create();
     private BukkitRunnable updateTask;
+    private boolean async = false;
 
     public SimpleScoreboard(Player holder) {
         this.holder = holder;
@@ -60,6 +61,12 @@ public void run() {
                 update();
             }
         };
+        // Check if the task should be run asynchronously
+        if (this.async) {
+            updateTask.runTaskTimerAsynchronously(ScoreboardLib.getPluginInstance(), 0, updateInterval);
+            return;
+        }
+        // Otherwise, run it normally
         updateTask.runTaskTimer(ScoreboardLib.getPluginInstance(), 0, updateInterval);
     }
 
@@ -114,6 +121,28 @@ public Player getHolder() {
         return holder;
     }
 
+    /**
+     * Check if the scoreboard update task is async
+     *
+     * @return If the task should be async
+     */
+    @Override
+    public boolean isAsync() {
+        return this.async;
+    }
+
+    /**
+     * Update the async option
+     *
+     * @param value If the async option is enabled
+     * @return The updated value
+     */
+    @Override
+    public Scoreboard setAsync(boolean value) {
+        this.async = value;
+        return this;
+    }
+
     @SuppressWarnings("deprecation")
     private void update() {
         if (!holder.isOnline()) {