feat: use n8n 2.16 version

feat(frontend): add favicon and update dependencies

feat(docker): implement multi-stage build for backend and frontend

feat: initialize web messenger application with Go backend and Vue.js frontend

feat: implement web messenger application with real-time chat

fix: rsync files

chore: add project configuration and deployment documentation

Add DNS creating hints and update container apps deployment documentation

docs: add VS Code setup instructions for Kilo Code integration

docs(deployment): add instance configuration hints for DNS monitoring

Initial commit: DNS monitoring application with Vue.js frontend and Go backend