docs(man): document options implemented but missing from man pages

Sync man pages with the code for options that were read but undocumented:
- sway/workspaces: ignore-workspaces
- niri/workspaces: sort-by-number, hide-empty
- wayfire/workspaces: disable-scroll, enable-bar-scroll
- river/tags: set-tags, toggle-tags
- hyprland/workspaces: persistent-workspaces (formalized)
- hyprland/window: fallback, tooltip-format
- cpu: format-<state>, tooltip-format, tooltip-format-<state>
- pulseaudio/slider: ignored-sinks
- hyprland/niri/mango language: format-<lang>-<variant> (+ hyprland tooltip variant)

man/waybar-sway-workspaces.5.scd

@@ -70,6 +70,11 @@ Addressed by *sway/workspaces*
 	default: false ++
 	If set to true. Only focused workspaces will be shown.
 
+*ignore-workspaces*: ++
+	typeof: array ++
+	default: empty ++
+	List of regular expressions. Workspaces whose name matches any of the given patterns are not shown.
+
 *persistent-workspaces*: ++
 	typeof: json (see below) ++
 	default: empty ++