Add IBM Plex Sans Arabic font theme for Arabic readers

docs/examples/light-ibm-plex-arabic.theme

@@ -0,0 +1,34 @@
+# Papyrix Theme: Light with IBM Plex Sans Arabic Fonts
+# Copy this file to /config/themes/ on your SD card
+# Copy the fonts/ibm-plex-arabic-* folders to /config/fonts/ on your SD card
+#
+# To create the fonts, run:
+#   uv run scripts/fontconvert.py ibm-plex-arabic -r IBMPlexSansArabic-Regular.ttf -b IBMPlexSansArabic-Bold.ttf --2bit --arabic --additional-intervals "0xFB50,0xFDFF" --all-sizes -o /tmp/fonts/
+#
+# Download IBM Plex Sans Arabic from: https://fonts.google.com/specimen/IBM+Plex+Sans+Arabic
+
+[theme]
+name = Light IBM Plex Arabic
+
+[colors]
+inverted_mode = false
+background = white
+
+[selection]
+fill_color = black
+text_color = white
+
+[text]
+primary_color = black
+secondary_color = black
+
+[layout]
+margin_top = 9
+margin_side = 3
+item_height = 30
+item_spacing = 0
+
+[fonts]
+reader_font_small = ibm-plex-arabic-14
+reader_font_medium = ibm-plex-arabic-16
+reader_font_large = ibm-plex-arabic-18

docs/fonts.md

@@ -128,6 +128,14 @@ A sans-serif font with complete Arabic script support including contextual shapi
 - **Theme**: `light-arabic.theme`
 - **License**: OFL (Open Font License)
 
+### IBM Plex Sans Arabic
+
+IBM's Arabic typeface from the Plex family. A modern, clean sans-serif design with excellent Arabic presentation forms coverage (140/144 in Forms-B), making it highly compatible with Papyrix's Arabic shaper. Provides a refined reading experience for Arabic content.
+
+- **Styles**: Regular, Bold
+- **Theme**: `light-ibm-plex-arabic.theme`
+- **License**: OFL (Open Font License)
+
 ### CJK Fonts (Chinese/Japanese/Korean)
 
 For CJK texts, Papyrix uses external `.bin` format fonts that are streamed from the SD card due to their large size. The `.bin` format uses direct codepoint indexing (1-bit bitmap, MSB first) for the full BMP range (U+0000-U+FFEF).