adding docker support

Dockerfile

@@ -0,0 +1,14 @@
+FROM node:18-buster-slim
+
+RUN npm install -g http-server
+
+WORKDIR /src
+
+COPY . .
+
+RUN npm install
+
+RUN npm run build
+
+EXPOSE 8080
+CMD [ "http-server", "dist" ]