chore: Add comments to custom desktop files for KDE #89

Job	Run time
Make (main, bazzite, kinoite, 39)	10m 9s
Make (main, bazzite, silverblue, 39)	10m 9s
Make (main, bazzite-deck, kinoite, 39)	10m 6s
Make (main, bazzite-deck, silverblue, 39)	10m 8s
Make (main, bazzite-nvidia, kinoite, 39)	10m 7s
Make (main, bazzite-nvidia, silverblue, 39)	10m 6s
Make (asus, bazzite, kinoite, 39)	10m 8s
Make (asus, bazzite, silverblue, 39)	10m 9s
Make (asus, bazzite-deck, kinoite, 39)	10m 11s
Make (asus, bazzite-deck, silverblue, 39)	10m 11s
Make (asus, bazzite-nvidia, kinoite, 39)	10m 9s
Make (asus, bazzite-nvidia, silverblue, 39)	10m 15s
Make (framework, bazzite, kinoite, 39)	10m 8s
Make (framework, bazzite, silverblue, 39)	10m 9s
Make (framework, bazzite-deck, kinoite, 39)	10m 9s
Make (framework, bazzite-deck, silverblue, 39)	10m 8s
Make (surface, bazzite, kinoite, 39)	10m 7s
Make (surface, bazzite, silverblue, 39)	10m 13s
Make (surface, bazzite-nvidia, kinoite, 39)	10m 8s
Make (surface, bazzite-nvidia, silverblue, 39)	7m 0s
	3h 19m 50s

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