Merge branch 'main' of https://github.com/pelgraine/Meck

TXT & EPUB Reader Guide.md

@@ -12,12 +12,11 @@ This adds a text reader accessible via the **R** key from the home screen.
 - Automatic reading position resume (persisted to SD card)
 - Index files cached to SD for instant re-opens
 - Bookmark indicator (`*`) on files with saved positions
-- Compose mode (`C`) still accessible from within reader
 
 **Key Mapping:**
 | Context | Key | Action |
 |---------|-----|--------|
-| Home screen | R | Open text reader |
+| Home screen | E | Open text reader |
 | File list | W/S | Navigate up/down |
 | File list | Enter | Open selected file |
 | File list | Q | Back to home screen |
@@ -114,4 +113,4 @@ The conversion is handled by three components:
 - Page content is pre-read from SD into a memory buffer during `handleInput()`, then rendered from buffer during `render()` — this avoids SPI bus conflicts during display refresh
 - Layout metrics (chars per line, lines per page) are calculated dynamically from the display driver's font metrics on first entry
 - EPUB conversion runs synchronously in `openBook()` — the e-ink splash screen keeps the user informed while the ESP32 processes the archive
-- ZIP extraction uses the ESP32-S3's hardware-optimised ROM `tinfl` inflate, avoiding external compression library dependencies and the linker conflicts they cause
+- ZIP extraction uses the ESP32-S3's hardware-optimised ROM `tinfl` inflate, avoiding external compression library dependencies and the linker conflicts they cause