chore: add workflow to handle multiple issues

[Anmol-Baranwal]

docs: https://github.com/Anmol-Baranwal/handle-multiple-issues

Fixes Issue

resolves #1844

Changes proposed

• This will save us the trouble from checking if contributors have created issues or not.

Note to reviewers

This is what this workflow will do.

• It will find the issues that is created by the author and is in open state.
• It will add a label of multiple issues if there are any
• It will be ignored for us as collaborators and maintainers

• It will comment a message.

The message will be:

#  Suppose #1 is already created by the author.
#  Output
#  #1 is already opened by you
#  As per contributing guidelines, you can only work on 1 issue at a time.

@rupali-codes @CBID2 @aftabrehan
You can see the workflow, and suggest the changes.

• We can also filter if any issues are assigned to the author.
• We can multiple labels if we want.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
linkshub	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 19, 2023 7:56am

[github-actions]

Thank you, Anmol-Baranwal, for creating this pull request and contributing to LinksHub! 💗

The maintainers will review this Pull Request and provide feedback as soon as possible! 😇
We appreciate your patience and contribution, Keep up the great work! 😀

[aftabrehan]

Awesome! Looks good to me 👌

[CBID2]

Looks good to me too

[rupali-codes]

Lgtm