Updated screenshots

assets/images/gruvbox_dark@335.png

assets/images/gruvbox_dark@352.png

assets/images/gruvbox_dark@532.png

assets/images/gruvbox_dark@thumb.jpg

assets/images/gruvbox_light.png

assets/images/gruvbox_light@220.png

assets/images/gruvbox_light@266.png

assets/images/gruvbox_light@335.png

assets/images/gruvbox_light@352.png

assets/images/gruvbox_light@532.png

assets/images/gruvbox_light@thumb.jpg

assets/images/material_dark.png

assets/images/material_dark@220.png

assets/images/material_dark@266.png

assets/images/material_dark@335.png

assets/images/material_dark@352.png

assets/images/material_dark@532.png

assets/images/material_dark@thumb.jpg

assets/images/material_light.png

assets/images/material_light@220.png