Update docs to cover notification to projects on new regular member

[mhdawson]

In discussion of adding regular members we agreed that we should confirm involvement in project through FYI to project. Update the docs to add that part of the process.

[jorydotcom]

@mhdawson does PR #297 cover this issue or is this a slightly different fix?

[mhdawson]

#297 covers it.

[jorydotcom]

Closing this issue as PR #297 has been merged!