chore: update configuration and dependencies

- Added .ci/docker/ to .gitignore to exclude Docker CI files.
- Set Next.js output configuration to "standalone" for optimized deployment.
- Updated package-lock.json to include new optional dependency for Windows SWC binaries.

backend/Dockerfile

@@ -0,0 +1,35 @@
+# syntax=docker/dockerfile:1
+
+FROM node:22-bookworm-slim AS deps
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends python3 make g++ \
+  && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+COPY package.json package-lock.json ./
+COPY packages/contracts/package.json packages/contracts/
+COPY backend/package.json backend/
+RUN npm ci --workspace=@mmapp/contracts --workspace=mikrotik-manager-backend --include-workspace-root
+
+FROM deps AS build
+COPY packages/contracts packages/contracts
+COPY backend backend
+RUN npm run build -w @mmapp/contracts \
+  && npm run build -w mikrotik-manager-backend \
+  && npm prune --omit=dev
+
+FROM node:22-bookworm-slim AS runner
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends python3 make g++ \
+  && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+ENV NODE_ENV=production
+ENV PORT=8000
+ENV DATABASE_PATH=/app/data/mikrotik.db
+COPY --from=build /app/package.json /app/package-lock.json ./
+COPY --from=build /app/node_modules ./node_modules
+COPY --from=build /app/packages/contracts ./packages/contracts
+COPY --from=build /app/backend/dist ./backend/dist
+COPY --from=build /app/backend/package.json ./backend/package.json
+RUN mkdir -p /app/data
+EXPOSE 8000
+CMD ["node", "backend/dist/index.js"]