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. Fix `setPulseWidth()` bug. Check [setPulseWidth - removed wrong map #2](#2)
4. Optimize code by using passing by `reference` instead of by `value`

Author: khoih-prog

README.md

@@ -6,7 +6,8 @@
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](#Contributing)
 [![GitHub issues](https://img.shields.io/github/issues/khoih-prog/RP2040_ISR_Servo.svg)](http://github.com/khoih-prog/RP2040_ISR_Servo/issues)
 
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