Update README.hebrew.md

[ShaiDemri]

Fix some typos and improve translation to be closer to the english source

[goldbergyoni]

@ShaiDemri Welcome aboard! Thanks for making this guide better

@hodbauer Can you have a look at Hebrew enhancements and approve?

@all-contributors please add @ShaiDemri for content

[goldbergyoni]

@all-contributors please add @ShaiDemri for content

[allcontributors[bot]]

@goldbergyoni

@ShaiDemri already contributed before to content

[allcontributors[bot]]

@goldbergyoni

I couldn't determine any contributions to add, did you specify any contributions? Please make sure to use valid contribution names.

I've put up a pull request to add @ShaiDemri! :tada: