Update attendees_and_learners.rst
Update attendees_and_learners.rst
Update attendees_and_learners.rst
Update attendees_and_learners.rst
Update attendees_and_learners.rst

Added Waldek Herka to the list of contributors
Update attendees_and_learners.rst
resolve merge conflict adding attendee
resolve merge conflict adding attendee
resolve merge conflict adding attendee
resolve merge conflict adding attendee
resolve merge conflict adding attendee