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

.chezmoiignore.tmpl

@@ -12,6 +12,10 @@ bun.lock
 public
 dist
 
+# Linked, not copied: ~/.config/television is a symlink to this directory
+# (dot_config/symlink_television.tmpl), so edits apply without chezmoi apply.
+television
+
 # Runtime/plugin state living inside managed trees — not managed
 .config/lazygit/.omc/**
 .config/yazi/plugins/**