refactor(Textarea): new textarea

[anlyyao]

🤔 这个 PR 的性质是？

• [ ] 日常 bug 修复
• [x] 新特性提交
• [x] 文档改进
• [x] 演示代码改进
• [x] 组件样式/交互改进
• [ ] CI/CD 改进
• [ ] 重构
• [ ] 代码风格优化
• [ ] 测试用例
• [ ] 分支合并
• [ ] 其他

🔗 相关 Issue

相关pr: common:

• https://github.com/Tencent/tdesign-common/pull/1209
• https://github.com/Tencent/tdesign-common/pull/1216

api:

• https://github.com/TDesignOteam/tdesign-api/pull/96

💡 需求背景和解决方案

📝 更新日志

• feat(Textarea): 新增 bordered 、indicator、allowInputOverMax 属性

• break(Textarea): 优化 DOM

• [ ] 本条 PR 不需要纳入 Changelog

☑️ 请求合并前的自查清单

⚠️ 请自检并全部勾选全部选项。⚠️

• [x] 文档已补充或无须补充
• [x] 代码演示已提供或无须提供
• [x] TypeScript 定义已补充或无须补充
• [x] Changelog 已提供或无须提供

[github-actions[bot]]

Size Change: +328 B (0%)

Total Size: 394 kB

Filename	Size	Change
./dist/tdesign.css	33.5 kB	+96 B (0%)
./dist/tdesign.js	226 kB	+89 B (0%)
./dist/tdesign.min.css	25.5 kB	+82 B (0%)
./dist/tdesign.min.js	108 kB	+61 B (0%)

[github-actions[bot]]

[github-actions[bot]]

Size Change: +320 B (0%)

Total Size: 393 kB

Filename	Size	Change
./dist/tdesign.css	33.2 kB	+99 B (0%)
./dist/tdesign.js	226 kB	+85 B (0%)
./dist/tdesign.min.css	25.3 kB	+74 B (0%)
./dist/tdesign.min.js	108 kB	+62 B (0%)

[github-actions[bot]]

Size Change: +321 B (0%)

Total Size: 393 kB

Filename	Size	Change
./dist/tdesign.css	33.2 kB	+100 B (0%)
./dist/tdesign.js	226 kB	+85 B (0%)
./dist/tdesign.min.css	25.3 kB	+74 B (0%)
./dist/tdesign.min.js	108 kB	+62 B (0%)

[github-actions[bot]]

Size Change: +289 B (0%)

Total Size: 394 kB

Filename	Size	Change
./dist/tdesign.css	33.6 kB	+78 B (0%)
./dist/tdesign.js	227 kB	+88 B (0%)
./dist/tdesign.min.css	25.7 kB	+67 B (0%)
./dist/tdesign.min.js	108 kB	+56 B (0%)

[github-actions[bot]]

Size Change: +289 B (0%)

Total Size: 394 kB

Filename	Size	Change
./dist/tdesign.css	33.6 kB	+78 B (0%)
./dist/tdesign.js	227 kB	+88 B (0%)
./dist/tdesign.min.css	25.7 kB	+67 B (0%)
./dist/tdesign.min.js	108 kB	+56 B (0%)

[github-actions[bot]]

Size Change: +274 B (0%)

Total Size: 394 kB

Filename	Size	Change
./dist/tdesign.css	33.6 kB	+76 B (0%)
./dist/tdesign.js	227 kB	+79 B (0%)
./dist/tdesign.min.css	25.7 kB	+66 B (0%)
./dist/tdesign.min.js	108 kB	+53 B (0%)