feat: Add a note node to the agent canvas #2767 (#2768)

### What problem does this PR solve?

feat: Add a note node to the agent canvas #2767

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

web/src/locales/zh.ts

@@ -955,6 +955,9 @@ export default {
       startDate: '开始日期',
       endDate: '结束日期',
       keyword: '关键字',
+      note: '注释',
+      noteDescription: '注释',
+      notePlaceholder: '请输入注释',
     },
     footer: {
       profile: 'All rights reserved @ React',