Added build stuff

Dockerfile

@@ -0,0 +1,19 @@
+FROM node:14-alpine AS builder
+
+WORKDIR /app
+
+RUN npm install -g @marp-team/marp-cli
+
+ADD . .
+
+RUN find . -maxdepth 2 -mindepth 2 -name "*.md" -not -name "README.md" -print0 | xargs -0 marp {} \;
+
+RUN mkdir -p out && \
+  find . -maxdepth 2 -mindepth 2 -name "*.html" -exec mv {} ./out/ \;
+
+
+FROM nginx:stable-alpine
+ENV NGINX_ENTRYPOINT_QUIET_LOGS=1
+COPY --from=builder /app/out/* /usr/share/nginx/html/
+ADD index.html /usr/share/nginx/html/index.html
+RUN echo "server { listen 80; server_name localhost; location / { root /usr/share/nginx/html; index index.html; rewrite ^/([a-zA-Z0-9\-_]+)/?$ /\$1.html last; } }" > /etc/nginx/conf.d/default.conf