Show the new page buttons in the README pictures: chevrons and page dots under the tiles

The pictures of tile pages still had the Previous and Next words and the "1 / 4" counter from
before 0.2.82. The 26 pictures that show the bar are rendered again from firmware 0.2.69 with the
chevrons and page dots, and pick up the smoother icons of 0.2.75 on the way. The Screen group of
the settings page gained a Page buttons row and now has a second page, so its picture shows the
first page with the pager, and its description says where the page buttons and the rotation went.

Rendered from the host firmware and the real add-on on the same demo homes as the earlier pictures.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

README.md

@@ -80,7 +80,7 @@ also be changed on the screen or by an automation, and your own YAML for one scr
 </p>
 <p align="center"><sub>Dark mode, for a screen beside the bed: the same pages, darker. It is a switch on the screen, in ESP Screens and in Home Assistant, so an automation can turn it on at bedtime.</sub></p>
 <p align="center">
-  <img src="docs/images/guition-settings-screen.png" width="32%" alt="The settings page on the Guition, Screen: the 12 or 24-hour clock, back to page 1 by itself and after how long, also on standby, swiping between pages and the rotation">
+  <img src="docs/images/guition-settings-screen.png" width="32%" alt="The settings page on the Guition, Screen: the 12 or 24-hour clock, back to page 1 by itself and after how long, also on standby and swiping between pages, with the page buttons and the rotation on its second page">
   <img src="docs/images/guition-settings.png" width="32%" alt="The settings page on the Guition, Brightness: the brightness with minus and plus, Dark mode off, Auto standby on, standby after 10 minutes and the standby brightness">
   <img src="docs/images/guition-dark-settings.png" width="32%" alt="The same Brightness page right after turning Dark mode on: a black page with graphite rows and soft white text">
 </p>