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>

Documentation/.dockerignore

@@ -2,8 +2,7 @@ node_modules
 npm-debug.log
 .git
 .gitignore
-README.md
 docker-compose.yml
 .DS_Store
-*.md
-!docs/*.md
+.vitepress/dist
+.vitepress/cache