Update repositories.txt with ArduboyRaycast (arduino#3773)

randomouscrap98 · web-flow · commit 75f6d8f0e8b9 · 2023-12-21T00:44:39.000Z
diff --git a/repositories.txt b/repositories.txt
@@ -6498,3 +6498,4 @@ https://github.com/sh123/esp32_opus_arduino
 https://github.com/felias-fogg/FlexWire
 https://github.com/scheffield/sic45x-driver
 https://github.com/GabyGold67/SevenSegDisplaysRTOSLib
+https://github.com/randomouscrap98/arduboy_raycast
