add env.yaml and pdf for basics/python

environment.yml

+name: compneuro
+channels:
+  - conda-forge
+dependencies:
+  - jupyterlab
+  - numpy
+  - pandas
+  - scikit-learn
+  - sktime
+  - umap-learn
+  - networkx
+  - optuna
+  - matplotlib
+  - plotly
+  - ipywidgets
+  - seaborn