Update using_dask.md to include specific packages (#573)

Co-authored-by: Pavithra Eswaramoorthy <[email protected]>

Author: jenniferbishop

docs/docs/tutorials/using_dask.md

@@ -46,6 +46,13 @@ On a default Nebari deployment, you can select the `nebari-git-nebari-git-dask`
 :::warning
 Be sure to select an environment which includes `Dask`, and note that the versions of `dask`, `distributed`, and `dask-gateway` must be the same.
 We recommend the [`nebari-dask` metapackage](https://anaconda.org/conda-forge/nebari-dask). We publish this metapackage alongside Nebari to easily provide you with the correct Dask packages and versions, just be sure that the `nebari-dask` version matches your Nebari deployment version.
+
+If the nebari-dask environment does not include all the packages needed, here is a list to [create a new environment](/docs/tutorials/creating-new-environments):
+- python >=3.11
+- pip
+- nebari-dask
+- gcsfs
+  
 :::
 
 Nebari has set of pre-defined options for configuring the Dask profiles that we have access to.