add server, dockerfile, edge detection script

.gitignore

docker/Dockerfile

pix2pix.py

server/README.md

server/export-example-model.py

server/process-cloud.py

server/process-local.py

server/serve.py

server/static/edges2cats-input.png

server/static/edges2cats-output.png

server/static/edges2cats-sheet.jpg

server/static/edges2handbags-input.png

server/static/edges2handbags-output.png

server/static/edges2handbags-sheet.jpg

server/static/edges2shoes-input.png

server/static/edges2shoes-output.png

server/static/edges2shoes-sheet.jpg

server/static/editor.png

server/static/facades-input.png

server/static/facades-output.png