Add ERC: Splitting and Merging of NFTs

[nitin312]

When opening a pull request to submit a new EIP, please use the suggested template: https://github.com/ethereum/EIPs/blob/master/eip-template.md

We have a GitHub bot that automatically merges some PRs. It will merge yours immediately if certain criteria are met:

• The PR edits only existing draft PRs.
• The build passes.
• Your GitHub username or email address is listed in the 'author' header of all affected PRs, inside .
• If matching on email address, the email address is the one publicly listed on your GitHub profile.

[eip-review-bot]

File EIPS/eip-7891.md

Requires 1 more reviewers from @g11tech, @lightclient, @SamWilsn, @xinbenlv

File ERCS/erc-7891.md

Requires 1 more reviewers from @g11tech, @SamWilsn, @xinbenlv

[bomanaps]

Please, could you also review the red flags raised by the bots and properly format the links?

[bomanaps]

You have two PRs open for the same proposal? PR 923 , PR 920

[nitin312]

Updated content based on reviewers feedback

[nitin312]

Content for Rationale added

[nitin312]

Updated ERC-7891

[nitin312]

Added events in interface

[nitin312]

Updated ERC-7891.sol

[github-actions]

The commit 0843dc8 (as a parent of 311bb15) contains errors.
Please inspect the Run Summary for details.

[nitin312]

Updated ERC-7891 file

[nitin312]

@SamWilsn, @bomanaps, and @eip-review-bot, could you please take a moment to review this pull request? It includes the final draft of the ERC-7891 proposal and related code changes.

Your feedback would be greatly appreciated before we proceed with merging. Let me know if you have any questions or need further clarifications!

Thanks in advance!