feat: add Docker deployment, design polish, and content update

- Add Dockerfile, nginx.conf, docker-compose.yml for containerized deployment
- Improve typography with Pretendard font, larger hero, accent colors
- Add Experience section (HI-ARC, ICPC, contests)
- Add TOL project, enhance project descriptions
- Update Skills with Backend category, more technologies
- Add Solved.ac link, education period
- Change nav logo to "tolelom", widen content area to 960px
- Project card links now use domain labels as buttons

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,4 @@
+FROM nginx:alpine
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY . /usr/share/nginx/html
+RUN rm /usr/share/nginx/html/Dockerfile /usr/share/nginx/html/nginx.conf /usr/share/nginx/html/docker-compose.yml 2>/dev/null || true