Update to Minecraft 1.21

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/Bukkit.java

@@ -57,6 +57,7 @@ import org.bukkit.scoreboard.Criteria;
 import org.bukkit.scoreboard.ScoreboardManager;
 import org.bukkit.structure.StructureManager;
 import org.bukkit.util.CachedServerIcon;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -1694,6 +1695,17 @@ public final class Bukkit {
         server.setMotd(motd);
     }
 
+    /**
+     * Gets the server links which will be sent to clients
+     *
+     * @return the server's links
+     */
+    @NotNull
+    @ApiStatus.Experimental
+    public static ServerLinks getServerLinks() {
+        return server.getServerLinks();
+    }
+
     /**
      * Gets the default message that is displayed when the server is stopped.
      *