chore: add .nojekyll to fix GitHub Pages build

docs: update README for portfolio site

feat: modern professional CSS design

feat: rebuild resume site — professional ML engineer portfolio

chore: remove old file

chore: remove old file

chore: remove old file

Update styles.css

Update styles.css

Update index.html

Update hobbies.html

Update contact_info.html

Add files via upload

Delete styles.css

Delete index.html