Added cudatoolkit to install for nvcc

Author: seanlaw

conda.sh

@@ -3,5 +3,8 @@
 conda update -y conda
 conda update -y --all
 conda env update --file environment.yml
+if [ `which nvcc | wc -l` -lt "1" ]; then
+    conda install -y -c conda-forge cudatoolkit-dev
+fi
 #conda install -y -c conda-forge numpy scipy numba pandas flake8 flake8-docstrings black pytest-cov
 #conda install -y -c conda-forge dask distributed