add minikube to ubuntu and windows images (#830)

* add minikube to ubuntu and windows images

* address review comments

* remove extra lines

* remove extra json added

* remove 1604

* merge upstream

* add comment

* remove caching

images/win/scripts/Installers/Validate-KubernetesCli.ps1

@@ -26,3 +26,26 @@ _Environment:_
 "@
 
 Add-SoftwareDetailsToMarkdown -SoftwareName $SoftwareName -DescriptionMarkdown $Description
+
+if((Get-Command -Name 'minikube'))
+{
+    Write-Host "minikube $(minikube version --short) in path"
+}
+else
+{
+    Write-Host "minikube is not in path"
+    exit 1
+}
+
+# Adding description of the software to Markdown
+$SoftwareName = "minikube"
+
+$version = $(minikube version --short=true)
+
+$Description = @"
+_Version:_ $version<br/>
+_Environment:_
+* PATH: contains location of minikube.exe
+"@
+
+Add-SoftwareDetailsToMarkdown -SoftwareName $SoftwareName -DescriptionMarkdown $Description