Add agent component for web crawler (#2878)

### What problem does this PR solve?

Add agent component for  web crawler

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/zh-traditional.ts

@@ -877,6 +877,15 @@ export default {
       akShareDescription: '此組件可用於從東方財富網取得對應股票的新聞資訊。',
       yahooFinance: '雅虎財經',
       yahooFinanceDescription: '該組件根據提供的股票代碼查詢有關公司的資訊。',
+      crawler: '網頁爬蟲',
+      crawlerDescription: '該組件可用於從指定url爬取HTML源碼。',
+      proxy: '代理',
+      crawlerResultOptions: {
+        html: 'Html',
+        markdown: 'Markdown',
+        content: '文本',
+      },
+      extractType: '提取類型',
       info: '訊息',
       history: '歷史',
       financials: '財務',