update README.md version 1.0.0-beta.2
update README.md version 1.0.0-beta.2

smcdougall/Pico,PhrozenByte/Pico,PhrozenByte/Pico,theshka/Pico,theshka/Pico,dav-m85/Pico,TakamiChie/Pico,dav-m85/Pico,picocms/Pico,fabianacero/fabianacerog,dav-m85/Pico,lukasz-jakub-adamczuk/tech-jump-guide,PhrozenByte/Pico,ondrejd/Pico,TakamiChie/Pico,smcdougall/Pico,fabianacero/fabianacerog,ondrejd/Pico,picocms/Pico,ondrejd/Pico,fabianacero/fabianacerog,lukasz-jakub-adamczuk/tech-jump-guide,theshka/Pico,picocms/Pico,TakamiChie/Pico,smcdougall/Pico,lukasz-jakub-adamczuk/tech-jump-guide,TakamiChie/Pico