add icon+text logo variant

This is the logo with the icon and the text per request at #14 (closed).

How it's made: It uses Ruda weight 750 with a reduced letter spacing, and a modified k. The text's baseline aligns with the inner of the triangle, and the x-height matches the height of the inner triangle. The spacing between icon and text is a sixth of the icon's width.

Differences to the website:

• reduced letter spacing
• larger font size: It would not fit small screens.
• altered k: That it is only connected by a single point might result in issues when you do things like physical versions of the logo. (similar to !37 (closed))