Revise index.md (one line added)

Katsumi · Katsumi · commit d98b2ce0519c · 2025-12-05T14:45:10.000-08:00
diff --git a/1209/F800/index.md b/1209/F800/index.md
@@ -6,4 +6,4 @@ license: MIT
 site: https://github.com/kmorimatsu/machikania_gamepad
 source: https://github.com/kmorimatsu/machikania_gamepad
 ---
-Simple USB gamepad for MachiKania
+Simple USB gamepad for MachiKania.
