New Gallery images!

[chrishavlin]

Have something to add to https://yt-project.org/gallery.html ? Here's how!

upload in this issue thread

Upload the image here in a comment along with a description of the image and citation and I'll make sure they get where they need to go.

via pull request

Or submit a pull request to this repository. To add an image to the gallery via pull request:

1. add a new entry in the top level gallery.yaml file
2. add your image file to img/gallery/