Added Dockerfile and scripts to build and run a docker image for development

Dockerfile

@@ -0,0 +1,17 @@
+FROM node:16.8
+
+WORKDIR /usr/src/minecraft-website
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+RUN npm run gulp sass
+
+# expose node_modules as a volume so it stays within the container
+VOLUME node_modules
+
+EXPOSE 3000
+CMD [ "npm", "run", "server" ]