config(fish): add fish completions for cli tools

dot_config/fish/functions/ghn.fish

@@ -0,0 +1,29 @@
+function ghn -a repo
+    if test -z "$repo"
+        echo "usage: ghn <repo-name>" >&2
+        return 1
+    end
+
+    set -l host (gum choose "prad.codes" "github.com")
+    or return 1
+
+    if test "$host" = prad.codes
+        set -l owner (tea organizations list -o simple | string trim | gum choose)
+        or return 1
+
+        tea repos create --name $repo --owner $owner --private
+        or return 1
+
+        ghq get https://prad.codes/$owner/$repo
+        and cd (ghq root)/prad.codes/$owner/$repo
+    else
+        set -l owner (gum choose "prdlk" "wltbs")
+        or return 1
+
+        gh repo create $owner/$repo --private
+        or return 1
+
+        ghq get github.com/$owner/$repo
+        and cd (ghq root)/github.com/$owner/$repo
+    end
+end