added website logo of nixos, added a kde wallpaper

kde/wallpapers/nixos-stripes/nixos-stripes.png.desktop

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+[Wallpaper]
+File=stripes.png
+Name=Stripes
+Name[ar]=الشرائط
+Name[ast]=Rayes
+Name[bg]=Райета
+Name[bn]=ডোরাকাটা
+Name[bs]=Pruge
+Name[ca]=Bandes
+Name[ca@valencia]=Bandes
+Name[cs]=Proužky
+Name[da]=Striber
+Name[de]=Streifen
+Name[el]=Ρίγες
+Name[en_GB]=Stripes
+Name[es]=Rayas
+Name[et]=Triibud
+Name[eu]=Marraduna
+Name[fa]=مارکها
+Name[fi]=Raidat
+Name[fr]=Bandes
+Name[ga]=Straidhpeanna
+Name[gl]=Raias
+Name[he]=רצועות
+Name[hi]=पट्टियां
+Name[hr]=Trake
+Name[hu]=Csíkok
+Name[ia]=Listas
+Name[id]=Belang
+Name[is]=Strípur
+Name[it]=Strisce
+Name[ja]=Stripes
+Name[kk]=Жолақтар
+Name[km]=ឆ្នូត​
+Name[ko]=줄무늬
+Name[lt]=Juostelės
+Name[lv]=Strīpas
+Name[mr]=पट्टे
+Name[nb]=Striper
+Name[nds]=Striepen
+Name[nl]=Strepen
+Name[nn]=Striper
+Name[pa]=ਸਟਰਿੰਪਸ
+Name[pl]=Paski
+Name[pt]=Barras
+Name[pt_BR]=Riscas
+Name[ro]=Dungi
+Name[ru]=Полоски
+Name[si]=ඉරි
+Name[sk]=Prúžky
+Name[sl]=Črte
+Name[sr]=Пруге
+Name[sr@ijekavian]=Пруге
+Name[sr@ijekavianlatin]=Pruge
+Name[sr@latin]=Pruge
+Name[sv]=Ränder
+Name[th]=ริ้ว
+Name[tr]=Çizgiler
+Name[ug]=سىزىق
+Name[uk]=Смуги
+Name[wa]=Bindes
+Name[x-test]=xxStripesxx
+Name[zh_CN]=Stripes
+Name[zh_TW]=條紋
+
+ImageType=pixmap
+Author=Ivan Čukić