feat: add knowledge API docs

src/App.tsx

@@ -14,6 +14,7 @@ import PrinciplesPage from './pages/PrinciplesPage'
 import { PerformanceDomainsPage } from './pages/PerformanceDomainsPage'
 import KnowledgeAreasTailoringPage from './pages/KnowledgeAreasTailoringPage'
 import { LearningMapsPage } from './pages/LearningMapsPage'
+import { ApiDocPage } from './pages/ApiDocPage'
 
 function App() {
   return (
@@ -36,6 +37,7 @@ function App() {
         <Route path="/artifact/:id" element={<ArtifactDetailPage />} />
         <Route path="/tool/:id" element={<ToolDetailPage />} />
         <Route path="/settings" element={<SettingsPage />} />
+        <Route path="/doc" element={<ApiDocPage />} />
       </Routes>
     </Layout>
   )