update gitignore
add script to get thumbnail images
clearer doc for get_images.sh
add script to process thumbnails
add AR experiement files and processed images
add csv for image getting
better document scripts
add script to process AR collection
add product of processing AR collection
a page for navigating through the AR collection
clean out early/unused script and processed products
remove front-end things
delete unused file
organize processed files
Merging subject index tree and scripts as contributed by @jueyang from https://github.com/jueyang/into-the-tate/tree/processed-only/