feat: Implement Skills page, ProjectCard and BioSection components, and update navigation and About page content.

src/App.tsx

@@ -7,6 +7,7 @@ import Home from './pages/Home';
 import About from './pages/About';
 import WorkExperience from './pages/WorkExperience';
 import Projects from './pages/Projects';
+import Skills from './pages/Skills';
 import Contact from './pages/Contact';
 
 function ScrollToTop() {
@@ -39,6 +40,7 @@ function App() {
             <Route path="/about" element={<About />} />
             <Route path="/work-experience" element={<WorkExperience />} />
             <Route path="/projects" element={<Projects />} />
+            <Route path="/skills" element={<Skills />} />
             <Route path="/contact" element={<Contact />} />
           </Routes>
           <div>