added some handy scripts to convert some test data to ipynb/rmd

vreapis/tests/extract-notebook.ps1

@@ -0,0 +1,15 @@
+param(
+    [System.IO.FileInfo[]]$input_files,
+    [System.IO.FileInfo]$output_dir
+)
+New-Item -i Directory -f $output_dir
+foreach ($input_file in $input_files) {
+    $root = ConvertFrom-Json (Get-Content -raw $input_file) -d 100
+    ConvertTo-Json $root.data.notebook -d 100 > $output_dir/$($input_file.BaseName).ipynb
+    switch ($root.data.kernel) {
+        'ipython' {}
+        'IRkernel' {
+
+        }
+    }
+}