Hello guys，i would like to ask some questions：
1：I can already configure the publicPath for the static file CDN，But my CDN is private，So how do i configure my CDN accessKey and secretKey ...etc?
2：I have been able to static my site use generate，But my site is similar to the shop, and I put the page static, so how do I watch backend API response changes to automatically rungenerate？
3：Based on the second point，how do I generate a specific page, not npm run generate (*)
This is the trouble I have recently encountered with Nuxt.js
Nuxt.js is awesome，i love it！
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