feat: performance optimize

[zhu-xiaowei]

Description

1. optimize markdown render performance
2. support Claude 3.7 reasoning display
3. add cache for code node rendering
4. fix stop request failed issue
5. fix render issue for display mode latex after text without break line
6. fix render empty page when list item is large than 100
7. update readme for better display

General Checklist

• The code changes have been fully tested
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of the least privilege, etc.)
• Documentation update for the change if required
• PR title conforms to conventional commit style
• If breaking change, documentation/changelog update with migration instructions

By submitting this pull request, I confirm that my contribution is made under the terms of the MIT-0 license.