feat: PageKey增加RSS，默认脚本模板增加parseRss方法

par-core/src/main/resources/scripts/default-nexusphp.groovy

@@ -9,10 +9,15 @@ Map parse(String content, String url) {
     if (url.contains('/attendance.php')) return parseSign(doc)
     if (url.contains('/index.php') && !url.contains('?')) return parseUserInfo(doc)
     if (url.contains('/usercp.php')) return parseUserPanel(doc)
+    if (url.contains('/torrentrss.php') || url.contains('/rss')) return parseRss(doc)
 
     return [pageName: '未知页面', message: "未配置: ${url}"]
 }
 
+private Map parseRss(doc) {
+    return [pageName: 'RSS', message: 'RSS 内容由 Java 层解析']
+}
+
 private Map parseUserInfo(doc) {
     def fields = [:]
     def el = doc.selectFirst('#info_block, td.bottom.clearfix, .userbar')