add autorankup - closes #2

src/main/java/sh/okx/rankup/AutoRankup.java

@@ -0,0 +1,22 @@
+package sh.okx.rankup;
+
+import lombok.RequiredArgsConstructor;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.scheduler.BukkitRunnable;
+
+@RequiredArgsConstructor
+public class AutoRankup extends BukkitRunnable {
+  private final Rankup rankup;
+
+  @Override
+  public void run() {
+    for (Player player : Bukkit.getOnlinePlayers()) {
+      if (rankup.checkRankup(player, false)) {
+        rankup.rankup(player);
+      } else if (rankup.getPrestiges() != null && rankup.checkPrestige(player, false)) {
+        rankup.prestige(player);
+      }
+    }
+  }
+}