modernize project with Docker support and dependency updates

- Pin all dependencies to stable versions (remove 'latest')
- Update lucide-react to 0.554.0 for React 19 compatibility
- Add Docker support with Dockerfile and docker-compose.yml
- Update TypeScript target to ES2022
- Add .nvmrc and netlify.toml for deployment configuration
- Update README with Docker deployment instructions

.dockerignore

@@ -0,0 +1,65 @@
+# Dependencies
+node_modules
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+.pnpm-debug.log*
+
+# Testing
+coverage
+*.log
+
+# Next.js
+.next/
+out/
+build
+dist
+
+# Production
+*.tsbuildinfo
+next-env.d.ts
+
+# Misc
+.DS_Store
+*.pem
+
+# Debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Local env files
+.env*.local
+.env
+
+# Vercel
+.vercel
+
+# TypeScript
+*.tsbuildinfo
+next-env.d.ts
+
+# IDE
+.vscode
+.idea
+*.swp
+*.swo
+*~
+
+# Git
+.git
+.gitignore
+
+# Docker
+Dockerfile
+.dockerignore
+docker-compose.yml
+
+# CI/CD
+.github
+
+# Documentation
+README.md
+*.md
+