Add Ubuntu-Slim image definition (#13423)

Add ubuntu-slim image definition

images/ubuntu-slim/scripts/docs-gen/SoftwareReport.Common.psm1

@@ -0,0 +1,81 @@
+function Get-BashVersion {
+    $version = bash -c 'echo ${BASH_VERSION}'
+    return $version
+}
+
+function Get-DashVersion {
+    $version = dpkg-query -W -f '${Version}' dash
+    return $version
+}
+
+function Get-NodeVersion {
+    $nodeVersion = $(node --version).Substring(1)
+    return $nodeVersion
+}
+
+function Get-OpensslVersion {
+    $opensslVersion = $(dpkg-query -W -f '${Version}' openssl)
+    return $opensslVersion
+}
+
+function Get-PerlVersion {
+    $version = $(perl -e 'print substr($^V,1)')
+    return $version
+}
+
+function Get-PythonVersion {
+    $result = Get-CommandResult "python --version"
+    $version = $result.Output | Get-StringPart -Part 1
+    return $version
+}
+
+function Get-PowershellVersion {
+    $pwshVersion = $(pwsh --version) | Get-StringPart -Part 1
+    return $pwshVersion
+}
+
+function Get-NpmVersion {
+    $npmVersion = npm --version
+    return $npmVersion
+}
+
+function Get-PipVersion {
+    $pipVersion = pip --version | Get-StringPart -Part 1
+    return $pipVersion
+}
+
+function Get-Pip3Version {
+    $pip3Version = pip3 --version | Get-StringPart -Part 1
+    return $pip3Version
+}
+
+function Get-AptPackages {
+    $apt = (Get-ToolsetContent).Apt
+    $output = @()
+    ForEach ($pkg in ($apt.vital_packages + $apt.common_packages + $apt.cmd_packages)) {
+        $version = $(dpkg-query -W -f '${Version}' $pkg)
+        if ($null -eq $version) {
+            $version = $(dpkg-query -W -f '${Version}' "$pkg*")
+        }
+
+        $version = $version -replace '~','\~'
+
+        $output += [PSCustomObject] @{
+            Name    = $pkg
+            Version = $version
+        }
+    }
+    return ($output | Sort-Object Name)
+}
+
+function Get-PipxVersion {
+    $result = (Get-CommandResult "pipx --version").Output
+    $result -match "(?<version>\d+\.\d+\.\d+\.?\d*)" | Out-Null
+    return $Matches.Version
+}
+
+function Get-SystemdVersion {
+    $matchCollection = [regex]::Matches((systemctl --version | head -n 1), "\((.*?)\)")
+    $result = foreach ($match in $matchCollection) {$match.Groups[1].Value}
+    return $result
+}