Added docker support + fixed button bug

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:18-slim as node
+WORKDIR /app
+COPY . .
+RUN npm install
+RUN npm install -g @ionic/cli
+RUN ionic build --prod
+
+FROM nginx:latest AS ngi
+COPY --from=node /app/www /usr/share/nginx/html
+COPY /nginx.conf  /etc/nginx/conf.d/default.conf
+EXPOSE 80