Snapshot of JC3636W518EN kit before demo folder cleanup

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2-Program Example/Demo_Arduino/library/ESP32_IO_Expander/CHANGELOG.md

@@ -0,0 +1,15 @@
+# ChangeLog
+
+## v0.0.1 - 2023-09-20
+
+### Enhancements:
+
+* Support for various IO expander chips.
+* Support to control individual IO in the same way as Arduino
+* Support to control multiple IOs at the same time.
+
+## v0.0.2 - 2023-10-07
+
+### Bug Fixes:
+
+* Correct library name in `sentence` field of metadata