feat(work): rebuild Markdown Viewer case study with real icons - #3

Changed pages include:

• work/ams.html - view
• work/body-language.html - view
• work/csv-chatbot.html - view
• work/enterprise.html - view
• work/markdown-viewer.html - view
• work/medical-chatbot.html - view
• work/medichain.html - view
• work/news-scraper.html - view
• work/notemarker.html - view
• work/sei-sangeet-bangla.html - view

There are more changes not included in the list