images/README.md

These images are from the following public domain:
- https://www.pexels.com/photo/2-women-sitting-on-rock-during-daytime-214576/
- https://www.pexels.com/photo/boy-in-yellow-crew-neck-t-shirt-and-gray-bottoms-929436/
- https://www.pexels.com/photo/group-of-people-standing-beside-body-of-water-2672979/
- https://www.pexels.com/photo/man-sitting-on-chair-beside-table-834863/
- https://www.pexels.com/photo/man-wearing-white-dress-shirt-and-black-blazer-2182970/
- https://www.pexels.com/photo/shallow-focus-photography-of-woman-in-white-shirt-and-blue-denim-shorts-on-street-near-green-trees-937416/
- https://www.pexels.com/photo/woman-in-collared-shirt-774909/