DevOps: enable application logging

[PlesnikJakub]

Setup application to use Application insights.

https://docs.microsoft.com/en-us/azure/azure-monitor/app/app-insights-overview

[robertstriz]

• [x] Create Infrastructure - interview-app-infrastructure
  • [x] Update script - Create app insight
  • [x] Update script - Update web app with app insight
  • [x] Run script
• [x] use insight nuget
• [x] add seriolog support
• [x] add initial logging
• [x] test on dev