adding nb clean script

# Define the root directory of your repository

$repoPath = $PSScriptRoot

# Find all .ipynb files within the repository and its subdirectories

$notebookFiles = Get-ChildItem -Path $repoPath -Filter "*.ipynb" -Recurse

Write-Host "The script is located in: $repoPath"

foreach ($notebookFile in $notebookFiles) {

    Write-Host "Cleaning $($notebookFile.FullName)..."

    # Execute nb-clean on the current notebook.

    # The '-m' flag preserves cell metadata, adjust as needed.

    # For other options like -e (remove empty cells) or -o (preserve outputs), refer to nb-clean documentation.

    nb-clean clean "$($notebookFile.FullName)"

    Write-Host "Cleaned $($notebookFile.FullName)."

}