It is impossible to complete every programming language (obviously). It will be cool if many people cool contribute to this code and add some hello worlds to their favourite language or even their own!
https://github.com/mauro-balades/hello-world
how to contribute: https://github.com/mauro-balades/hello-world/blob/main/CONTRIBUTING.md
(btw maubg-debug was an old account from me)
[remember to star and fork so that this project can grow so that more languages can be added]