fix: word wrap for long code tag

[Junyi-99]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes word wrapping for long code tags and updates domain matching patterns to support wildcard subdomains. The main focus is on improving the visual presentation of code blocks that contain long text content.

• Adds break-all CSS class to code tags to enable proper text wrapping
• Updates domain patterns from www.overleaf.com to *.overleaf.com for broader subdomain support
• Adds clickable links to README badges for better user experience

Reviewed Changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 1 comment.

File	Description
webapp/_webapp/src/components/markdown.tsx	Adds break-all class to code elements for proper text wrapping
webapp/_webapp/src/manifest.json	Updates domain patterns to use wildcard subdomain matching
internal/api/gin.go	Expands CORS origins to include wildcard subdomains
README.md	Converts badges to clickable links with target="_blank"

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