Bring the guides up to date with the code of the last releases (docs only)

README_EXTENDED rendered everything from "Direct control" to "Override YAML" as raw text on
GitHub since 0.2.74: the full-page pictures ended without a blank line. It also gains the
media card, Page buttons, the ··· menu's Identify/Copy/Export/Import, Try it, and where
SCREEN_FIRMWARE_VERSION lives now. EASY_SETUP's settings table drops Show clock and gets
Back to page 1; SETTINGS.md points at web/src/store.ts and packages/core.yaml; GUITION.md
had the GT911 mirrored and cache settings that left the profile on 2026-09-12;
TROUBLESHOOTING still named TILE_COUNT and files deleted in 0.2.50; CALIBRATING put
Calibrate touch in ESP Screens instead of Home Assistant. RELEASING gets the compatibility
notes of 0.2.73 to 0.2.85 and the GitHub release step.

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

docs/DOCKER.md

@@ -83,8 +83,8 @@ under **Settings → Devices & services** in Home Assistant, and then choose the
   ESPHome folder. `data/build` and `data/platformio` are caches.
 - **Claude:** **Install for Claude Code** is meant for the Claude Code app on Home Assistant
   OS. Use **Download for claude.ai** instead.
-- **Camera images (Guition, app 0.2.66+):** the screens load camera pictures from port **8098**
-  of this host, on all its addresses, so keep that port open to the screens. The app uses Home
+- **Camera images (Guition, app 0.2.66+):** the screens load camera pictures, and from app 0.2.77 the
+  album covers of the media card, from port **8098** of this host, on all its addresses, so keep that port open to the screens. The app uses Home
   Assistant's own LAN address; when the screens reach this host under another one, set
   `SCREEN_CAMERA_URL` (see below). The links are random and short-lived. [docs/CAMERA.md](CAMERA.md)