update to 2.3.0

package.json update

Better logging with more verbose trace options and channels

Version bump to 2.1.0

fixes #46 Sanitize mattermost username to match openai regex.

Cache mattermost usernames.

fixing regression for https protocol (untested, keeping fingers crossed)

Delete superfluous gitignore

I want to trigger a push :-)

Fix for #8

Improved diagram generation, updated docs