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.ts

@@ -897,6 +897,15 @@ export default {
       akShareDescription: '该组件可用于从东方财富网站获取相应股票的新闻信息。',
       yahooFinance: '雅虎财经',
       yahooFinanceDescription: '该组件根据提供的股票代码查询有关公司的信息。',
+      crawler: '网页爬虫',
+      crawlerDescription: '该组件可用于从指定url爬取html源码。',
+      proxy: '代理',
+      crawlerResultOptions: {
+        html: 'Html',
+        markdown: 'Markdown',
+        content: '文本',
+      },
+      extractType: '提取类型',
       info: '信息',
       history: '历史',
       financials: '财务',