feature: add CUDA courses in free-courses-en.md

[RUIZEN9]

What does this PR do?

Add resource(s)

IMPORTANT

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For resources

Description

Adding two free video course playlists on CUDA programming for parallel computing using Nvidia GPUs. These resources introduce the architecture and practical coding required for accelerated computing.

1. CUDA Crash Course
2. CUDA Programming Course -- Parallel Computing using Nvidia GPUs

Why is this valuable (or not)?

CUDA is essential for leveraging the power of Nvidia GPUs for high-performance computing, data science, and deep learning. These free courses provide necessary foundational knowledge for accelerated parallel programming, making them highly valuable additions to the list.

How do we know it's really free?

Both resources are freely available as video playlists on YouTube.

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

These are free online video course/tutorial playlists.

Checklist:

• 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).
• Used an informative name for this pull request.

Follow-up

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

[eshellman]

duplicate

[RUIZEN9]

I have removed one of the entries also the channel name is now Nick(previously CoffeeBeforeArch)