Rewrite promethus alertmanager webui with react.

1. install nodejs

• Installing Node.js and npm

2. install dependencies

npm install or yarn 

3. start web server in dev mode

npm start 

After install all the dependencies and start the dev server, go to https://localhost:3000 and connect your own alertmanager api server. The server api address should be like https://localhost:9093/api/v1 or https://alertmanager.example.com/api/v1.

Notice: If you not set the url address, you app will be locked at setting pages

Click Connect button, if connect success, the menu will be unlocked and you can retrive all the alerts and silences information from sever.

npm build 

After build success, the build folder will include all static files you need. Copy the static files to your nginx web folder or any web server.

• state manage (redux)
• router (react-router-dom)
• form (react-form)
• async (react-saga)
• i18n (react-intl)