[feature] add dotfiles/bin to path

cli/fish/config.fish

@@ -53,7 +53,7 @@ if status is-interactive
     alias dt='date "+%Y%m%d-%H%M%S"'
 
     # === PATH and file sourcing
-    append_paths ~/.yarn/bin
+    append_paths ~/.yarn/bin ~/dotfiles/bin
     source_files /usr/share/autojump/autojump.fish /usr/local/share/autojump/autojump.fish \
         ~/.profile.fish
 

cli/fish/functions/append_paths.fish

@@ -1,6 +1,6 @@
 
 function append_paths
     for f in $argv
-        test -e $f && set -gx PATH $f $PATH
+        test -e $f && ! contains $f $PATH && set -gx PATH $f $PATH
     end
 end