Pull backgrounds into the repo to simplify setup and theme selection

This was too complicated for something too remote

themes/catppuccin/backgrounds.sh

@@ -1,2 +0,0 @@
-mkdir -p "$BACKGROUNDS_DIR/catppuccin"
-download_background_image "https://github.com/basecamp/omakub/raw/refs/heads/master/themes/catppuccin/background.png" "catppuccin/1-catppuccin.png"

themes/everforest/backgrounds.sh

@@ -1,2 +0,0 @@
-mkdir -p "$BACKGROUNDS_DIR/everforest"
-download_background_image "https://github.com/basecamp/omakub/raw/refs/heads/master/themes/everforest/background.jpg" "everforest/1-everforest.jpg"

themes/gruvbox/backgrounds.sh

@@ -1,2 +0,0 @@
-mkdir -p "$BACKGROUNDS_DIR/gruvbox"
-download_background_image "https://github.com/basecamp/omakub/raw/refs/heads/master/themes/gruvbox/background.jpg" "gruvbox/1-grubox.jpg"

themes/kanagawa/backgrounds.sh

@@ -1,2 +0,0 @@
-mkdir -p "$BACKGROUNDS_DIR/kanagawa"
-download_background_image "https://github.com/basecamp/omakub/raw/refs/heads/master/themes/kanagawa/background.jpg" "kanagawa/1-kanagawa.jpg"

themes/matte-black/backgrounds.sh

@@ -1,2 +0,0 @@
-mkdir -p "$BACKGROUNDS_DIR/matte-black"
-download_background_image "https://raw.githubusercontent.com/tahayvr/omarchy-matte-black/refs/heads/main/images/1-matte-black.jpg" "matte-black/1-matte-black.jpg"

themes/nord/backgrounds.sh

@@ -1,2 +0,0 @@
-mkdir -p "$BACKGROUNDS_DIR/nord"
-download_background_image "https://github.com/basecamp/omakub/raw/refs/heads/master/themes/nord/background.png" "nord/1-nord.png"

themes/tokyo-night/backgrounds.sh

@@ -1,3 +0,0 @@
-mkdir -p "$BACKGROUNDS_DIR/tokyo-night"
-download_background_image "https://images.unsplash.com/photo-1651870364199-fc5f9f46ac85" "tokyo-night/1-Pawel-Czerwinski-Abstract-Purple-Blue.jpg"
-download_background_image "https://images.unsplash.com/photo-1620207418302-439b387441b0" "tokyo-night/2-Milad-Fakurian-Abstract-Purple-Blue.jpg"