Created CONTRIBUTING-bn.md and added to README.md

[Akash190104]

What does this PR do?

Fix issue #8822. @shrn01 Please review. I would take back the previous PRs

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!

[Akash190104]

@shrn01 I am following up this issue? Can you please ask some bengali member of the organization to check it? If this gets merged I would start working on the code of conduct.

[shrn01]

Hey @Akash190104 you can add the code of conduct and update the same PR, or you can create a new branch and add code_of_conduct there and raise a new PR

[github-actions[bot]]

This Pull Request has been automatically marked as stale because it has not had recent activity during last 60 days :sleeping:

It will be closed in 30 days if no further activity occurs. To unstale this PR, draft it, remove stale label, comment with a detailed explanation or push more commits.

There can be many reasons why some specific PR has no activity. The most probable cause is lack of time, not lack of interest.

Thank you for your patience :heart:

[github-actions[bot]]

This Pull Request has been automatically closed because it has been inactive during the last 30 days since being marked as stale.

As author or maintainer, it can always be reopened if you see that carry on been useful.

Anyway, thank you for your interest in contribute :heart: