Creates multiple document libraries by applying custom list template

[CmdletBinding()] 
    Param(
    [Parameter(Mandatory=$false,  Position=0)]
    [String]$adminSiteUrl = "https://<tenant>-admin.sharepoint.com",
    [Parameter(Mandatory=$false,  Position=1)]
    [String]$siteUrl =  "https://<tenant>.sharepoint.com/sites/investment",
    [Parameter(Mandatory=$false,  Position=2)]
    [String]$librariesCSV =  "C:\Scripts\DocumentLibraryTemplate\libraries.csv",

    [Parameter(Mandatory=$false,  Position=4)]
    [String]$listDesignId = "5b38e500-0fab-4da7-b011-ad7113228920" # use Get-SPOListDesign to find the Id of the list design containing the document library template
  )
#creating indexed columns might help with performance of large libraries, i.e. >5000 files
function Create-Index ($list, $targetFieldName)
{
  $targetField = Get-PnPField -List $list -Identity $targetFieldName
  $targetField.Indexed = 1;
  $targetField.Update();
  $list.Context.ExecuteQuery();
}

# log file will be saved in same directory script was started from  
$currentTime= $(get-date).ToString("yyyyMMddHHmmss")  
$logFilePath=".\log-"+$currentTime+".log"  


## Start the Transcript  
Start-Transcript -Path $logFilePath 

Connect-SPOService $adminSiteUrl 
Connect-PnPOnline -Url $siteUrl -Interactive
Import-Csv $librariesCSV | ForEach-Object {
Invoke-SPOListDesign -Identity $listDesignId -WebUrl $siteUrl
#Get library just created and update Internal name and display name, replace <listName> with the name specified in the custom list template
$lib = Get-PnPList -Identity "<listName>" -Includes RootFolder
#wait until document library has been created
while(!$lib)
{
 $lib = Get-PnPList -Identity "<listName>" -Includes RootFolder
 sleep -second 5
}
if($lib)
{
    $lib.Rootfolder.MoveTo($($_.InternalName))  
    Invoke-PnPQuery  
    #this will change library title  
    Set-PnPList -Identity $lib.Id -Title $($_.DisplayName)
    #add document library to quick launch
    Add-PnPNavigationNode -Title $_.DisplayName -Url $($_.InternalName + "/") -Location "QuickLaunch"
    #enable versioning on the library
    Set-PnPList -Identity $lib.Id -EnableVersioning $True -EnableMinorVersions $True -MajorVersions 500 -MinorVersions 10
    Write-host "`tSetting versioning to major/minor to :"$_.DisplayName
    Create-Index $lib "Created By"
    Create-Index $lib "Modified"
 }
}


## Disconnect the context  
Disconnect-PnPOnline  
 
## Stop Transcript  
Stop-Transcript  

InternalName,DisplayName 
AR,Annual Reports 
CR,Credit Risk 
Audit,Audit 
PO,Purchase Orders