Add a favicon

Generate a 32px x 32px favicon for QuickQWERTY with the
following steps:
  1. Draw a 180px Q in Nimus Sans L font (obtained from the
     output of fc-match helvetica).
  2. Copy it edge to edge (123 x 145) and paste it into a
     200px x 200px image with #333333 as the background layer.
  3. Scale the image to 32px x 32px.
  4. Go to Layer > Transparency > Remove Alpha Channel.
  5. Go toFilters > Decor > Rounded Corners.
  6. Choose Edge radius as: 7. Disable other checkboxes. Press OK.