Add EIP: Inter-Dapp tracking standard

[wartstone]

ATTENTION: ERC-RELATED PULL REQUESTS NOW OCCUR IN ETHEREUM/ERCS

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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.

[eth-bot]

🛑 eip-review-bot failed for an unknown reason. Please see logs for more details, and report this issue at the eip-review-bot repository.

[github-actions]

The commit 41aa8b8 (as a parent of b7e658e) contains errors.
Please inspect the Run Summary for details.

[abcoathup]

@wartstone ATTENTION: ERC-RELATED PULL REQUESTS NOW OCCUR IN ETHEREUM/ERCS

If you want to create an ERC (application layer), please close this PR and open a PR in the ERC repo.

[abcoathup]

@wartstone ATTENTION: ERC-RELATED PULL REQUESTS NOW OCCUR IN ETHEREUM/ERCS

If you want to create an ERC (application layer), please close this PR and open a PR in the ERC repo. The ERC can then be assigned a number.

[abcoathup]

Suggested change

	eip: 7580
	eip: unassigned

A number hasn't been assigned yet. Please move this to the ERC repo.

[wartstone]

Oops. Got it

[abcoathup]

@wartstone please close this PR as you now have a PR in the ERC repo: ethereum/ERCs#165

[wartstone]

Sure~