remove how to use app autoscaler in readme.md, move to release project
remove how to use app autoscaler in readme.md, move to release project

qibobo/app-autoscaler,qibobo/app-autoscaler,cloudfoundry-incubator/app-autoscaler,pradyutsarma/app-autoscaler,cloudfoundry-incubator/app-autoscaler,qibobo/app-autoscaler,pradyutsarma/app-autoscaler,cloudfoundry-incubator/app-autoscaler,cloudfoundry-incubator/app-autoscaler,pradyutsarma/app-autoscaler,pradyutsarma/app-autoscaler,qibobo/app-autoscaler