* Add support for including PowerShell profile

* Update version in devcontainer-feature.json

* Add powershellProfileURL  to options

* Update src/powershell/devcontainer-feature.json
Co-authored-by: Samruddhi Khandale <samruddhikhandale@github.com>

* Update README.md

* Create testProfile.ps1

Added a Profile for testing

* Add powershell profile test

* Update install_modules.sh

* Undo README.md changes

* Update scenarios.json

* Delete test/powershell/testProfile.ps1

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Co-authored-by: Samruddhi Khandale <samruddhikhandale@github.com>
Co-authored-by: Samruddhi Khandale <skhandale@microsoft.com>