Add kuaishou to README.md (#6630)
Add kuaishou to README.md (#6630)

* add kuaishou
apache/incubator-superset,airbnb/caravel,airbnb/superset,mistercrunch/panoramix,zhouyao1994/incubator-superset,airbnb/caravel,zhouyao1994/incubator-superset,mistercrunch/panoramix,airbnb/superset,apache/incubator-superset,mistercrunch/panoramix,apache/incubator-superset,zhouyao1994/incubator-superset,apache/incubator-superset,apache/incubator-superset,zhouyao1994/incubator-superset,airbnb/caravel,zhouyao1994/incubator-superset,airbnb/caravel,mistercrunch/panoramix,airbnb/superset,airbnb/superset