Broken link in RFC/Hypercode.md

[coshy0163]

There is a broken link in the project documentation.
When trying to open the link, it results in a 404 (Not Found) error.

file: RFC/Hypercode.md
link: https://github.com/0al/hypercode/hypercode-syntax.md

[SoundBlaster]

Sorry, this file is currently located in the private repository of Hypercode (drafts) and should be in the /EBNF folder. I will move it there soon.

[SoundBlaster]

@coshy0163 Please, review PR #5