Cmake changes.

resources/icons/linux/linux-icons.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+# $1: Input path to an image to use for generating icons.
+# Helper script to generate qtk's icons for Linux given a path to an input PNG.
+sudo apt install imagemagick
+
+convert "$1" -resize 256x256 kilroy-256.png
+convert "$1" -resize 128x128 kilroy-128.png
+convert "$1" -resize 64x64 kilroy-64.png
+convert "$1" -resize 48x48 kilroy-48.png
+convert "$1" -resize 32x32 kilroy-32.png
+convert "$1" -resize 16x16 kilroy-16.png