Implemented REST Mock tool

Co-authored-by: widlam <mikolaj.widla@gmail.com>
Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Reviewed-on: #231
Reviewed-by: Adam Bem <bema@noreply.example.com>
Co-authored-by: Mikolaj Widla <widlam@noreply.example.com>
Co-committed-by: Mikolaj Widla <widlam@noreply.example.com>

Frontend/Dockerfile

@@ -18,3 +18,13 @@ COPY ./nginx.conf /etc/nginx/conf.d/default.conf
 
 EXPOSE 80
 EXPOSE 443
+
+
+FROM node:latest as dev
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
+ENV HOST=0.0.0.0
+COPY . .
+EXPOSE 8080
+CMD ["npm", "run", "dev"]