no diff should ocurr as a result of the refactoring
Add `metadata.title` to `demo01.yml`
to avoid diffs later when calling via CLI
Add temporary loop to `demo01`
for debugging purposes
Add `cleanup.sh` (maybe move/delete later? or add commit hook?)
Deprecate Python 3.7, add Python 3.10
Add `devtools.txt`
Add `pyan` to `devtools.txt`
Add sample use to `devtools.txt`
