🐳 Added dockerfile and README

Dockerfile

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+FROM node:buster
+LABEL maintainer="Rishi Ghan <rishi.ghan@gmail.com>"
+
+RUN mkdir -p /usr/src/threetwo
+WORKDIR /usr/src/threetwo
+
+RUN apt-get -y install glibc xdg-utils python xvfb imagemagick
+RUN wget --no-check-certificate -nv -O- https://raw.githubusercontent.com/kovidgoyal/calibre/master/setup/linux-installer.py | sudo python -c "import sys; main=lambda:sys.stderr.write('Download failed\n'); exec(sys.stdin.read()); main()"
+
+COPY package.json /usr/src/threetwo
+COPY nodemon.json /usr/src/threetwo
+
+RUN npm i -g yarn && \
+    yarn
+
+COPY . /usr/src/threetwo
+EXPOSE 3050
+
+CMD yarn run dev