Create CHANGELOG.MD

Author: Berg0162

CHANGELOG.MD

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [esp32_Zwift_Control_v02] - 2025-03-30
+### Added
+Tweaked NimBLE Keyboard Class for better performance
+- Set server auto-restart-advertise ON
+- Set Generic Access Appearance
+- Set Device Name in Advertising data
+
+Modified Main code
+- Show/handle reconnect after a disconnect in loop()
+- Minor tweaks
+
+### Modified
+Updated README.md
+- Improved documentation for ESP32 users