fixed code issues, added conda install, clarified examples

R/manocca.r

README.md

python/Example_manocca.ipynb

python/Example_manocca_script.py

python/environment.yml

python/pyproject.toml

python/setup.py

python/src/explainer.py

python/src/tools/__init__.py

python/src/tools/compute_manova - Copy.py

python/src/univariate.py