Merge pull request #75 from sean-morris/main

Added Otterless Notebooks

notebooks-platforms/intro.md

@@ -23,4 +23,8 @@ Instructions for using Jupyterlite are in the README file for each repository.
 [Binder](https://mybinder.readthedocs.io/en/latest/index.html) is a community-driven Jupyter Notebook rendering service. It has some limits including memory, time of inactivity and no long-term storage. 
 
 - [materials-sp22-binder](https://github.com/data-8/materials-sp22-binder)
-- [materials-sp22-binder-no-footprint](https://github.com/data-8/materials-sp22-binder-no-footprint)
+- [materials-sp22-binder-no-footprint](https://github.com/data-8/materials-sp22-binder-no-footprint)
+
+**Otterless (No autograding - just clean Jupyter Notebooks)**
+We removed all the otter-grader cells from the notebooks for those who are not interested in automatic grading.
+- [materials-sp22-otterless](https://github.com/data-8/materials-sp22-otterless/)