…for mobile devices

…nality

…mplemented scroll-to-contact-form functionality

…mplemented scroll-to-contact-form functionality

…mplemented scroll-to-contact-form functionality

…ght mode

…isibility on the white theme

…mproved the design of social links.

…ed layout on mobile devices

- Add blog page implementation and template structure
- Upgrade Astro to v5.1.1 and core dependencies
- Added Work Page for projects
- Update project documentation and routing config
- Integrate CMS for blogs

Changes
- changed tailwind classes to plain css in about, career, markdown-content

Fixed some missed issues
- removed useless work and added article content collection
- fixed a type in blog index file leading to not render blogs
- re-added missing sound files for letter work project

astro boilerplate and basic page UI of domain