feat: add fish completion

completions/chot.fish

@@ -0,0 +1,26 @@
+function __chot_script_dir
+    set -l default (string replace -r '/$' '' $XDG_DATA_HOME)
+    if test -z "$default"
+        set default "$HOME/.local/share"
+    end
+    set -l chotdir (string replace -r '/$' '' $CHOT_SCRIPT)
+    if test -z "$chotdir"
+        set chotdir "$default/chot/scripts"
+    end
+    echo $chotdir
+end
+
+function __chot_list_scripts
+    set -l dir (__chot_script_dir)
+    if test -d $dir
+        for f in $dir/*
+            if test -f $f
+                basename $f
+            end
+        end
+    end
+end
+
+complete -c chot -n '__fish_use_subcommand' --no-files -f -a 'edit help'
+complete -c chot -n '__fish_seen_subcommand_from edit' --no-files -a '(__chot_list_scripts)'
+complete -c chot -n 'not __fish_seen_subcommand_from edit' --no-files -a '(__chot_list_scripts)'