Publish the project

On Github:
- Follow rules set in https://github.com/margrevm/trollbot/community
- Update Github profile
- Update PlatformIO profile
- Update description & Readme:
- focus on library reusibility, service architecture. Insist that the aim was to develop a generic architecture that is well designed.
- Add REPO badges to readme (https://github.com/dwyl/repo-badges)
- Add Trivia for naming choice
- Add contributors
- @ - MedianFilter library used in this library
- Examples : Christian Gosch @cgo - #17
- Links to design documents
- Add index to go from one chapter to another
- Add CONTRIBUTE.md file (move from wiki)
- Change Copyright (c) 2020 Margreve Mike to Copyright (c) **2021** Margreve Mike, Philippe Mertes
- Test on Arduino IDE

Sites to publish on:
- Maybe publish robot library on PlatformIO
- one project per milestone
- [Arduino Project Hub](https://create.arduino.cc/projecthub)
- DFRobot
- Fritzing Projects : https://fritzing.org/projects/
- https://www.robotshop.com/community/robots/show/multipurpose-bot
- YouTube Chanel with videos https://www.youtube.com/channel/UCcfJubRQaNxW7QJ57m6pnxg

Recurring tasks:
- [ ] Update licence headers in all files (year, names, project name, version, github link and optionally ASCII logo)
- [ ] Create tag and release on Github