Refined CODE_OF_CONDUCT-si.md

[jayasahan]

The existing CODE OF CONDUCT is seem to be a direct Sinhala translate of English version. As a Sri Lankan i found out, there were lot's of sentences that doesn't have a meaning. So i have refined them and updated the CODE OF CONDUCT

What does this PR do?

Improved the Translation

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Description

Why is this valuable (or not)?

The existing CODE OF CONDUCT is seem to be a direct Sinhala translate of English version. As a Sri Lankan i found out, there were lot's of sentences that doesn't have a meaning. So i have refined them and updated the CODE OF CONDUCT

How do we know it's really free?

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

Update of CODE OF CONDUCT translation

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]

Thanks! We'll want a sinhal fluent reviewer. to confirm.

[jayasahan]

Okay, in the meantime i'll also check other content and add where translations needed and refine the existing