1. Removed many unncessary comments
2. Added comments to Startup.cs
3. Fixed some code comments across the app
4. Renamed Config.json -> LocalConfig.json to reflect the scenario
1. Adding scripts to self host & custom host Music store
2. Updating readme
3. Cleanup some helper classes that are not necessary.
4. Adding error page middleware for diagnostics.
5. Flipping the switch to run helios on "K" by default.