Add Git Course Resource

[kevinalfito69]

What does this PR do?

Add resource(s)

For resources

Courses

Description

Adds a Git tutorial in Indonesian titled "Upload Code di Github" from Sekolah Koding.

Why is this valuable (or not)?

This tutorial is valuable because it provides a step-by-step guide in Indonesian, making it easier for users who are more comfortable with the language to understand how to upload code to GitHub.

How do we know it's really free?

The tutorial is available for free on a platform that does not require payment or subscription.

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

This is an online tutorial.

Checklist:

• [x] Read our contributing guidelines.
• [x] Search for duplicates.
• [x] Include author(s) and platform where appropriate.
• [x] Put lists in alphabetical order, correct spacing.
• [x] Add needed indications (PDF, access notes, under construction).
• [x] Used an informative name for this pull request.

Follow-up

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