v1.1.0 to convert to h-only style, etc.

### Releases v1.1.0

1. Convert to `h-only` style.
2. Add example [multiFileProject](examples/multiFileProject) to demo for multiple-file project
3. Optimize code by using passing by `reference` instead of by `value`
4. Add support to `Sparkfun Pro nRF52840 Mini`
5. Update `Packages_Patches`

README.md

@@ -19,7 +19,6 @@
   * [Features](#features)
   * [Currently supported Boards](#currently-supported-boards)
 * [Changelog](changelog.md)
-  * [Releases v1.0.0](#releases-v100)
 * [Prerequisites](#prerequisites)
 * [Installation](#installation)
   * [Use Arduino Library Manager](#use-arduino-library-manager)