feat: initial schemas-app implementation

- Add Nuxt 4 application with Vuetify UI framework
- Implement GraphQL schema registry management interface
- Add Apollo Client integration with Auth0 authentication
- Create organization and API key management
- Add schema and ref browsing capabilities
- Implement organization switcher for multi-org users
- Add delete functionality for organizations and API keys
- Create Kubernetes deployment descriptors
- Add Docker configuration with nginx

Features:
- Dashboard with organization overview
- Schema browsing by ref with supergraph viewing
- Ref management with schema details
- Settings page for organizations and API keys
- User list per organization with provider icons
- Admin-only organization creation
- Delete confirmations with warnings

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.dockerignore

@@ -0,0 +1,15 @@
+node_modules
+.nuxt
+.output
+.git
+.gitignore
+*.md
+.env
+.env.*
+!.env.example
+coverage
+.idea
+.vscode
+*.log
+dist
+.DS_Store