Include steps in the readme on how to configure the environment

Merge pull request microsoft#22 from Microsoft/1902

1902

Merge pull request microsoft#20 from Microsoft/1902

1902

Update version to 1902

Intune PowerShell SDK Preview 2 release build

Update version to 6.1811.0.4

Update version to 6.1811.0.3

Update version to 6.1811.0.2

Fix $expand (certain properties were not marked as expandable), and d…

…on't crash when unloading and re-importing the module

Update version to 1811 + small bug fixes

- Add test for targeting managed apps with an app protection policy
- Correctly escape strings in JSON payloads
- Don't serialize hidden properties in JSON payloads
- Add link to GitHub repo in documentation