feat: add fish_abbreviations file

files/fish/config.fish

@@ -1 +1 @@
-/gnu/store/zbd2shsljanzqv4ikbjrgr3f98sxx71i-fish-config.fish
+/gnu/store/v25gcy86bbakrzg500529k0zfaxwgapv-fish-config.fish

files/fish/fish_abbreviations

@@ -0,0 +1,12 @@
+abbr --add m 'yt-dlp --prefer-free-formats --extract-audio'
+abbr --add v 'yt-dlp --prefer-free-formats'
+abbr --add mpv --position anywhere --set-cursor=! 'mpv "!"'
+
+abbr --add !config --position anywhere 'guix system reconfigure /etc/config.scm'
+abbr --add !home   --position anywhere 'guix home reconfigure $HOME/projects/guile/radix/radio.scm'
+abbr --add :config --position anywhere '$EDITOR /etc/config.scm'
+abbr --add :home   --position anywhere '$EDITOR $HOME/projects/guile/radix/radio.scm'
+abbr --add @radix  --position anywhere '$HOME/projects/guile/radix'
+abbr --add @files  --position anywhere '$HOME/projects/guile/radix/files'
+abbr --add @system --position anywhere '$HOME/projects/guile/radix/modules/radix/services'
+abbr --add @home   --position anywhere '$HOME/projects/guile/radix/modules/radix/home/services'

radio.scm

@@ -247,7 +247,7 @@
 
         (simple-service 'environment-variables-service
                         home-environment-variables-service-type
-                       `(#|Bash|#
+                       `(#|Shells|#
                          ("HISTFILE"     . "$XDG_CACHE_HOME/bash/history")
                          ("HISTSIZE"     . "-1")
                          ("HISTFILESIZE" . "-1")