Merge pull request #1308 from microsoftgraph/feature/ps-image

 - adds docker image definition

Author: baywet

Dockerfile

@@ -0,0 +1,8 @@
+FROM mcr.microsoft.com/powershell
+
+ARG MODULE_VERSION=latest
+
+RUN pwsh -c "if ('${MODULE_VERSION}' -eq 'latest') { Install-Module Microsoft.Graph -Scope CurrentUser -AllowClobber -Force} else { Install-Module Microsoft.Graph -Scope CurrentUser -AllowClobber -Force -Version ${MODULE_VERSION} }"
+
+LABEL description="# Welcome to Microsoft Graph PowrShell \
+To start learning about the module checkout the [getting started documentation](https://docs.microsoft.com/en-us/powershell/microsoftgraph/get-started)"