Updated build stystem to use Flit (cf. patch #186 by Adam Turner).
treeb3fcc9f31cd9615143102f9e0aa21b8823f008d4
-rw-r--r-- 3005 .flake8
-rw-r--r-- 1662 .gitattributes
-rw-r--r-- 347 .gitignore
-rw-r--r-- 616 .pre-commit-config.yaml
drwxr-xr-x - docutils
drwxr-xr-x - sandbox
drwxr-xr-x - web