add quick and dirty docker compose and auto update

Dockerfile

@@ -0,0 +1,20 @@
+FROM node:21.7.3-slim AS base
+ENV PNPM_HOME="/pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+RUN corepack enable
+COPY . /app
+WORKDIR /app
+
+FROM base AS prod-deps
+RUN pnpm install
+
+FROM base AS build
+RUN pnpm install
+RUN pnpm docs:build
+
+FROM base
+COPY --from=prod-deps /app/node_modules /app/node_modules
+COPY --from=build /app/docs/.vitepress/dist /app/docs/.vitepress/dist
+
+EXPOSE 4173
+CMD [ "pnpm", "docs:preview" ]