feat: 调整插件目录结构 根据兼容性分离

src/main/resources/plugins/bukkit/ext/papi.js

@@ -0,0 +1,24 @@
+'use strict';
+/**
+ * PAPI扩展类
+ */
+/*global Java, base, module, exports, require, __FILE__*/
+var PlaceholderAPI;
+var bukkit = require('api/server');
+if (bukkit.plugin.load("PlaceholderAPI")) {
+    PlaceholderAPI = ext.getStatic("me.clip.placeholderapi.PlaceholderAPI");
+} else {
+    log.w("PlaceholderAPI 未找到 变量替换功能失效!");
+    PlaceholderAPI = {
+        setPlaceholders: function () {
+            return arguments[1];
+        }
+    }
+}
+exports.$ = function () {
+    if (arguments.length > 1) {
+        return PlaceholderAPI.setPlaceholders(arguments[0], arguments[1]);
+    } else {
+        return PlaceholderAPI.setPlaceholders(null, arguments[0]);
+    }
+};