Headings and other mis fixes (#3953)

* Headings and other mis fixes

* Optimised images with calibre/image-actions

* Retake images

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: tunetheweb

src/config/last_updated.json

@@ -827,7 +827,7 @@
     "hash": "c86bcf37df81a0f61b947bae52786648"
   },
   "en/2024/chapters/privacy.html": {
-    "date_published": "2024-11-11T00:00:00.000Z",
+    "date_published": "2024-12-03T00:00:00.000Z",
     "date_modified": "2024-12-03T00:00:00.000Z",
     "hash": "5a9639aaf568d66e495d18b56059b887"
   },