Move build to predploy
Move build to predploy

Avoid publish empty _site dir to github when `npm run site` was exited

ant-design/ant-design,icaife/ant-design,zheeeng/ant-design,elevensky/ant-design,elevensky/ant-design,elevensky/ant-design,elevensky/ant-design,havefive/ant-design,icaife/ant-design,zheeeng/ant-design,ant-design/ant-design,zheeeng/ant-design,zheeeng/ant-design,havefive/ant-design,havefive/ant-design,havefive/ant-design,ant-design/ant-design,icaife/ant-design,icaife/ant-design,ant-design/ant-design