Add hess notebook to gammapy download list
- images
- catalogs
- ebl
+- name: hess
+ url: https://raw.githubusercontent.com/gammapy/gammapy/master/tutorials/hess.ipynb
+ datasets:
+ - hess-dl3-dr1
- name: hgps
url: https://raw.githubusercontent.com/gammapy/gammapy/master/tutorials/hgps.ipynb
- name: image_analysis
