Add the first julia cource

[nagayev]

What does this PR do?

Add resource

For resources

Description

Why is this valuable (or not)?

How do we know it's really free?

For book lists, is it a book? For course lists, is it a course? etc.

Checklist:

• Read our contributing guidelines
• Search for duplicates.
• Include author(s) and platform where appropriate.
• Put lists in alphabetical order, correct spacing.
• Add needed indications (PDF, access notes, under construction)

Follow-up

• Check the status of GitHub Actions and resolve any reported warnings!

[davorpa]

It's a good moment to make some changes. When done, request for a review again using GitHub 🔃 button.

[nagayev]

@davorpa Why you have add ready to merge label, but not merge it?
I'm just interesting

[davorpa]

Why you have add ready to merge label, but not merge it? I'm just interesting

It is our internal guidelines to triage the contributions. I haven't write access rights

[nagayev]

@davorpa okey, thank you for quick response

[eshellman]

Triage and review volunteers are essential to the effective running of this repo. @nagayev consider helping us py reviewing Russian submissions.

[nagayev]

@eshellman this project is interesting and useful for me.
So I'm agree.

[nagayev]

@eshellman Hello. Is your invitation valid?
I thought I would become a member of your organization.

[davorpa]

Take a look at #6373 too 😉

[nagayev]

@davorpa thank you!