Implemented basics for deployment via docker

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:15.5.1-alpine3.12 AS build
+WORKDIR /app
+RUN npm i -g pnpm
+COPY package.json ./
+RUN pnpm i
+COPY . ./
+RUN pnpm run build
+# final image
+FROM fholzer/nginx-brotli:v1.19.1 AS final
+COPY --from=build /app/src/.vuepress/dist /usr/share/nginx/html
+COPY ./nginx.conf /etc/nginx/nginx.conf