New project structure proposal

[AntiD2ta]

Changes:

• Project structure reshaped according to go standards and also nethermind standards on golang projects
• Makefile added

Types of changes

What types of changes does your code introduce?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Other (please describe):

Testing

Requires testing

• Yes
• No

In case you checked yes, did you write tests??

• Yes
• No

Further comments (optional)

See that the go.mod is changed. It is now on the root directory and it points out to github.com/NethermindEth/juno, as it should be

[tkstanczak]

@AntiD2ta that is great, I did not have a feel of it -> would you update the Juno with Go 1.17 GitHub action to successfully build now?