Suggestion for emacs icon

Summary:
Here's a suggestion for an emacs icon!

I tried to follow the breeze icon guidelines to my best extent.

Reviewers: Breeze, VDG, ngraham, andreaska

Reviewed By: Breeze, ngraham, andreaska

Subscribers: davidc, michaelh, abetts, ngraham, Frameworks

Tags: Frameworks

Differential Revision: https://phabricator.kde.org/D10211