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>

js/main.js

@@ -7,9 +7,14 @@ function renderProjects() {
       return '<span class="project-card-tag">' + t + "</span>";
     }).join("");
 
-    var link = p.link
-      ? '<a href="' + p.link + '" class="project-card-link" target="_blank" rel="noopener">사이트 방문 →</a>'
-      : "";
+    var links = "";
+    if (p.links && p.links.length > 0) {
+      links = '<div class="project-card-links">' +
+        p.links.map(function (l) {
+          return '<a href="' + l.url + '" class="btn btn-sm" target="_blank" rel="noopener">' + l.label + '</a>';
+        }).join("") +
+      "</div>";
+    }
 
     return (
       '<div class="project-card">' +
@@ -19,7 +24,7 @@ function renderProjects() {
         "</div>" +
         '<p class="project-card-desc">' + p.description + "</p>" +
         '<div class="project-card-tags">' + tags + "</div>" +
-        link +
+        links +
       "</div>"
     );
   }).join("");