Add validation data to custom domain create option in CDN (#681)
Add validation data to custom domain create option in CDN (#681)

* adding missing period in CDN swagger descriptions

* removed MSDN link. Added <TODO>s for missing description

* changed endpoint, profile, origin name description

*  changed descriptions in the first 400 lines

* add missing properties

* code revise

* code revise

* add CDN endpoint geofilter action as enum

* swagger revise

* fix sentence duplication

* revise action name

* fix indentation

* add new field

* add validation Data to custom domain create option

* reviewed the entire swagger file

* code revise

jcyang75/azure-rest-api-specs,shimedh/azure-rest-api-specs,henry416/azure-rest-api-specs,begoldsm/azure-rest-api-specs,AsrOneSdk/azure-rest-api-specs,vishrutshah/azure-rest-api-specs,pinwang81/azure-rest-api-specs,AsrOneSdk/azure-rest-api-specs,olydis/azure-rest-api-specs,csmengwan/azure-rest-api-specs,Nking92/azure-rest-api-specs,naveedaz/azure-rest-api-specs,johanste/azure-rest-api-specs,AuxMon/azure-rest-api-specs,rkmanda/azure-rest-api-specs,yaakoviyun/azure-rest-api-specs,hovsepm/azure-rest-api-specs,AppPlatPerf/azure-rest-api-specs,amarzavery/azure-rest-api-specs,amolr/azure-rest-api-specs,mihymel/azure-rest-api-specs,deathly809/azure-rest-api-specs,kirthik/azure-rest-api-specs,kiwidev/azure-rest-api-specs,dihan0604/azure-rest-api-specs,solankisamir/azure-rest-api-specs,dashimi16/azure-rest-api-specs,sudhansu88/azure-rest-api-specs,felixwa/azure-rest-api-specs,sazeesha/azure-rest-api-specs,vladrai/azure-rest-api-specs,sethmanheim/azure-rest-api-specs,jobatzil/azure-rest-api-specs,johanste/azure-rest-api-specs,deathly809/azure-rest-api-specs,solankisamir/azure-rest-api-specs,AuxMon/azure-rest-api-specs,dmakwana/azure-rest-api-specs,amarzavery/azure-rest-api-specs,kiwidev/azure-rest-api-specs,hyonholee/azure-rest-api-specs,Nking92/azure-rest-api-specs,yaakoviyun/azure-rest-api-specs,akshaysngupta/azure-rest-api-specs,d3r3kk/azure-rest-api-specs,vladrai/azure-rest-api-specs,AzureAutomationTeam/azure-rest-api-specs,naveedaz/azure-rest-api-specs,jonpayne/azure-rest-api-specs,AppPlatPerf/azure-rest-api-specs,bganapa/azure-rest-api-specs,yugangw-msft/azure-rest-api-specs,brjohnstmsft/azure-rest-api-specs,yugangw-msft/azure-rest-api-specs,JasonYang-MSFT/azure-rest-api-specs,nathannfan/azure-rest-api-specs,brjohnstmsft/azure-rest-api-specs,Nking92/azure-rest-api-specs,DeepakRajendranMsft/azure-rest-api-specs,hovsepm/azure-rest-api-specs,henry416/azure-rest-api-specs,hyonholee/azure-rest-api-specs