add manual vue cli installation

Dockerfile

@@ -6,6 +6,7 @@ WORKDIR /app
 
 # copying package.json to root folder and installing dependencies
 COPY ./frontend/package*.json ./
+RUN npm install -g @vue/cli # idk why but vuecli is not being installed with package.json
 RUN npm install
 
 # copying all of frontend to root folder in container