docs(man): backfill man pages with wiki-only info (source-of-truth pass)

Port information that previously lived only in the GitHub wiki into the
authoritative scdoc man pages, so the man pages become the single source
of truth for module documentation.

33 man pages enriched (options, format replacements, actions, style
selectors, troubleshooting and implementation notes). Additions were
verified against the source; stale/incorrect wiki entries were
deliberately not ported. All pages still compile with scdoc.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

man/waybar-privacy.5.scd

@@ -19,7 +19,7 @@ the screen or playing audio.
 *icon-size*: ++
 	typeof: integer ++
 	default: 20 ++
-	The size of each privacy icon.
+	The size of each privacy icon. Set to *0* for auto size.
 
 *transition-duration*: ++
 	typeof: integer ++
@@ -57,7 +57,8 @@ the screen or playing audio.
 
 *icon-name*: ++
 	typeof: string ++
-	If set, changes the modules icon.
+	If set, changes the modules icon. Accepts any valid GTK icon name. ++
+	Note: the icon is only visible when the resource is actively in use; the item is hidden when idle.
 
 *tooltip*: ++
 	typeof: bool ++