feat: add Coolify deployment config (Docker Compose + ServeStatic)

- Add multi-stage Dockerfile (node:22-alpine, pnpm, Chromium for Playwright)
- Add docker-compose.coolify.yml with api, worker, redis services
- Add @nestjs/serve-static for serving Vite frontend from NestJS
- Add .dockerignore

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.dockerignore

@@ -0,0 +1,16 @@
+node_modules
+**/node_modules
+**/dist
+.git
+.gitignore
+*.md
+docs
+scripts
+docker
+.env*
+.claude
+logs
+*.log
+.turbo
+coverage
+.vscode