adding tutorials

Author: valentina-s

ohw25/tutorials-index/index.md

@@ -18,10 +18,14 @@ We are pleased to present a number of tutorials during the week.  These tutorial
 The following tutorials will be presented live during the **US sessions**, and will be recorded for later review.
 
 ### Monday, August 18th
+[Christian Sarason](https://apl.uw.edu/people/profile.php?last_name=Sarason&first_name=Christian) - [**Fight the dreaded 'It works for me' demon with conda package management and jupyter notebooks:**](https://github.com/oceanhackweek/ohw-tutorials/tree/OHW25/00-Mon#packagesjupyterlabhub) This tutorial will describe some of the pros, cons and pitfalls of package management and take quick tour of Pixi and JupyterHub using an example project.
 
+[Derya Gumustel](https://www.linkedin.com/in/derya-gumustel), [Rui Jin](https://ruijinsz.github.io/), [Bruna Strack C$\hat{a}$ndido](https://at.linkedin.com/in/brunascandido)- [**Git&GitHub Primer**](https://github.com/oceanhackweek/ohw-tutorials/tree/OHW25/00-Mon#git--github-primer)
 
 ### Tuesday, August 19th
+[Filipe Fernandes](https://github.com/ocefpaf) - [**Data Access in Python:**](https://github.com/oceanhackweek/ohw-tutorials/tree/OHW25/01-Tue#data-access-in-python) In this tutorial, participants will use Python to find and access ocean data via a range of protocols including ERDDAP, OPeNDAP and WMS. 
 
+[Finn Wimberly](https://www.whoi.edu/research-associate-ii-finn-wimberly/) - [**Xarray Tutorial**](https://github.com/oceanhackweek/ohw-tutorials/tree/OHW25/01-Tue#xarray) 
 
 ### Wednesday, August 28th