RADME.md: Update badge URLs
RADME.md: Update badge URLs

Resolves #314

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