feat: add contact page with form handling and validation

- Implemented a contact page with a form for user inquiries.
- Added validation for form fields using Zod schema.
- Integrated PostgreSQL database for storing contact messages.
- Created necessary API endpoints for form submission.
- Added admin authentication and session management.
- Developed CGU, cookies policy, privacy policy, and legal mentions pages.
- Set up Docker configuration for PostgreSQL and application services.
- Enhanced UI with responsive design and accessibility features.

Dockerfile

@@ -0,0 +1,26 @@
+FROM node:22-alpine AS base
+WORKDIR /app
+ENV NEXT_TELEMETRY_DISABLED=1
+
+FROM base AS deps
+COPY package.json package-lock.json ./
+RUN npm ci
+
+FROM deps AS dev
+COPY . .
+EXPOSE 3000
+CMD ["npm", "run", "dev", "--", "--hostname", "0.0.0.0", "--port", "3000"]
+
+FROM deps AS builder
+COPY . .
+RUN npm run build
+
+FROM base AS runner
+ENV NODE_ENV=production
+ENV HOSTNAME=0.0.0.0
+ENV PORT=3000
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+COPY --from=builder /app/public ./public
+EXPOSE 3000
+CMD ["node", "server.js"]