feat: Agregar configuracion de despliegue con Gitea Actions

- Dockerfile para build de Nuxt 4
- docker-compose.yml con traefik y Authentik
- Workflow de Gitea Actions (single step)
- Hook de Claude Code para monitorear deploys

Dockerfile

@@ -0,0 +1,37 @@
+# Build stage
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apk add --no-cache python3 make g++
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install --prefer-offline --no-audit
+
+# Copy app source
+COPY . ./
+
+# Build the application
+RUN npm run build
+
+# Production stage
+FROM node:22-alpine
+
+WORKDIR /app
+
+# Copy built application from builder
+COPY --from=builder /app/.output /app/.output
+
+# Expose port (internal, no published externally)
+EXPOSE 3000
+
+ENV NODE_ENV=production
+ENV HOST=0.0.0.0
+ENV PORT=3000
+
+# Start the application
+CMD ["node", ".output/server/index.mjs"]