Added README to phony. Specified usage, relevance, and supported events.
Added README to phony. Specified usage, relevance, and supported events.

added README for phony

added github api link

added instructions for running hook locally

incorporated defaults and fixed deck url

brahmaroutu/test-infra,jessfraz/test-infra,cblecker/test-infra,ixdy/kubernetes-test-infra,cjwagner/test-infra,krzyzacy/test-infra,michelle192837/test-infra,monopole/test-infra,shyamjvs/test-infra,pwittrock/test-infra,michelle192837/test-infra,abgworrall/test-infra,cblecker/test-infra,dims/test-infra,jessfraz/test-infra,monopole/test-infra,mindprince/test-infra,brahmaroutu/test-infra,monopole/test-infra,BenTheElder/test-infra,shyamjvs/test-infra,jlowdermilk/test-infra,krzyzacy/test-infra,lavalamp/test-infra,michelle192837/test-infra,cblecker/test-infra,krzyzacy/test-infra,monopole/test-infra,krzyzacy/test-infra,fejta/test-infra,kubernetes/test-infra,mindprince/test-infra,jessfraz/test-infra,ixdy/kubernetes-test-infra,brahmaroutu/test-infra,dims/test-infra,ixdy/kubernetes-test-infra,jlowdermilk/test-infra,lavalamp/test-infra,fejta/test-infra,brahmaroutu/test-infra,jessfraz/test-infra,cjwagner/test-infra,dims/test-infra,fejta/test-infra,kubernetes/test-infra,michelle192837/test-infra,cjwagner/test-infra,cblecker/test-infra,krzyzacy/test-infra,shyamjvs/test-infra,BenTheElder/test-infra,kubernetes/test-infra,lavalamp/test-infra,jessfraz/test-infra,fejta/test-infra,abgworrall/test-infra,jessfraz/test-infra,lavalamp/test-infra,jlowdermilk/test-infra,kargakis/test-infra,michelle192837/test-infra,abgworrall/test-infra,michelle192837/test-infra,brahmaroutu/test-infra,kargakis/test-infra,dims/test-infra,dims/test-infra,lavalamp/test-infra,monopole/test-infra,fejta/test-infra,BenTheElder/test-infra,fejta/test-infra,cjwagner/test-infra,kargakis/test-infra,jlowdermilk/test-infra,dims/test-infra,BenTheElder/test-infra,jlowdermilk/test-infra,abgworrall/test-infra,kubernetes/test-infra,shyamjvs/test-infra,pwittrock/test-infra,abgworrall/test-infra,ixdy/kubernetes-test-infra,shyamjvs/test-infra,kubernetes/test-infra,BenTheElder/test-infra,mindprince/test-infra,kargakis/test-infra,cblecker/test-infra,ixdy/kubernetes-test-infra,pwittrock/test-infra,jlowdermilk/test-infra,cblecker/test-infra,krzyzacy/test-infra,monopole/test-infra,cjwagner/test-infra,mindprince/test-infra,cjwagner/test-infra,brahmaroutu/test-infra,pwittrock/test-infra,BenTheElder/test-infra,kargakis/test-infra,shyamjvs/test-infra,kargakis/test-infra,kubernetes/test-infra,pwittrock/test-infra,mindprince/test-infra,lavalamp/test-infra