feat: add bukkit class type

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/bukkit/src/typings/org.bukkit.Warning.ts

@@ -0,0 +1,15 @@
+declare namespace org {
+    namespace bukkit {
+        class Warning {
+            /**
+             * This sets if the deprecation warnings when registering events gets
+             * printed when the setting is in the default state.
+             */
+            public value(): boolean;
+            /**
+             * This can provide detailed information on why the event is deprecated.
+             */
+            public reason(): string;
+        }
+    }
+}