add zenodo, binder badges (#121)

* add zenodo, binder badges

* open binder path to tutorials folder

README.md

@@ -1,5 +1,9 @@
 # ICESat-2 Hackweek 2022 Website
 [![Deploy](https://github.com/ICESAT-2HackWeek/website2022/actions/workflows/deploy.yaml/badge.svg)](https://github.com/ICESAT-2HackWeek/website2022/actions/workflows/deploy.yaml)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/ICESAT-2HackWeek/website2022/2022.04.14?labpath=book%2Ftutorials%2Findex.md)
+[![DOI](https://zenodo.org/badge/452775913.svg)](https://zenodo.org/badge/latestdoi/452775913)
+
+
 
 
 ## How to contribute

book/intro.md

@@ -13,9 +13,11 @@
 
 💡 Learn more about hackweeks hosted by the [University of Washington eScience Institute](https://uwhackweek.github.io/hackweeks-as-a-service/intro.html), or check out our publication describing the hackweek educational model {cite:p}`Huppenkothen2018`.
 
+For the recommended citation for the content on this website see our Zenodo record:
+[![DOI](https://zenodo.org/badge/452775913.svg)](https://zenodo.org/badge/latestdoi/452775913)
+
 ```{admonition} Quick links for the event
 :class: seealso
 * JupyterHub: {{ jupyterhub_url }}
 * GitHub organization: {{ github_org_url}}
-* Projects Spreadsheet: {{ project_spreadsheet_url }}
 ```