Charts: Add atlassian bitbucket chart

[onyxet]

Is this a request for help?:

Yes

Is this a BUG REPORT or FEATURE REQUEST? (choose one):

FEATURE REQUEST

Anything else we need to know:
I want to suggest add atlassian bitbucket chart to helm repo. It might be useful for containerized deployments of BB and for all who're using it.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Any further update will cause the issue/pull request to no longer be considered stale. Thank you for your contributions.

[stale[bot]]

This issue is being automatically closed due to inactivity.

[fsadykov]

Yes it will be very helpfull