feat(config): add television cable integration and related keybindings across shells

dot_config/fish/functions/gho.fish

@@ -1,5 +1,6 @@
-function gho --description 'pick ghq repo / Obsidian vault + cd (picker in ~/.local/bin/gho)'
-    set -l dir (command gho); or return
+function gho --description 'pick a ghq repo / Obsidian vault (tv ghq-repos cable) + cd'
+    set -l dir (tv ghq-repos); or return
+    test -n "$dir"; or return
     cd $dir; or return
     clear
     if test -d .git