🅿️⛱️ onboard checklist for new projects under org umbrella

[!TIP]
Compared to the now-stalled #716 re: issue & PR labels, #723 takes precedence

Here's why: the canonical storage location for our standard project label packs happen to be provided by the solution we have chosen for managing default github repo settings; namely the GitHub App simply named "Settings", which syncs repository settings defined in .github/settings.yml to GitHub, enabling Pull Requests for these now-serialized repository settings.

i have been meaning to do this for a very long time:

every project repo transferred under @OpenINF umbrella has to undergo a certain procedure before we can properly maintain it or bring it up to a recovered state where we may begin to place within the context of our project lifecycle(s); let us flesh that out (minimally at first, then more-so in the short-term)