Add ERC: Based Custodial Cross-Token Protocol

[GaoYiRu]

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[eip-review-bot]

File ERCS/erc-8076.md

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

[github-actions[bot]]

The commit 82b5c4e09032358d2b0af61b87cc22647440d2a5 (as a parent of 4bf13235769aab865aa7f6336ce98836d99e42dc) contains errors. Please inspect the Run Summary for details.