docs: vectorize README.md sample image by jacobleclair · Pull Request #9432 · RaspberryPiFoundation/blockly

rpbourret

@jacobleclair

change head to the logo, change image to transparent svg. other minor changes.

@jacobleclair

the previous commit was reviewed by rpbourret, this commit fixes the issues mentioned

@jacobleclair jacobleclair changed the title docs: style README.md header docs: vectorize README.md sample image

Oct 22, 2025

rpbourret