Update 20487C_MOD02_DEMO.md
Update 20487C_MOD02_DEMO.md

resolving issues#: 88688, 88158, 88160, 88687
MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices