feat: Rebrand to License Authority with Govt of Goa branding

- Replace TLAS with License Authority throughout documentation
- Add Government of Goa emblem/logo (Ashoka Chakra style)
- Update frontend branding to match documentation
- Add configurable Swagger API link via VITE_API_BASE_URL env var
- Fix Docker build for VitePress (git dependency, .dockerignore)
- Fix helmet security headers for HTTP deployments
- Add CORS support for VM deployment

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/app/features/admin/admin.component.ts

@@ -44,7 +44,7 @@ import { BlockchainExplorerMiniComponent } from '../../shared/components';
           </div>
           <div class="header-text">
             <h1>Admin Portal</h1>
-            <p class="subtitle">Manage the Goa GEL Blockchain Platform</p>
+            <p class="subtitle">Manage the License Authority Platform</p>
           </div>
         </div>
       </header>