docs: fix 404 link

[CreeptoGengar]

Previous one was broken - https://docs.openzeppelin.com/contracts/api/crosschain
The one that I changed to is - https://docs.openzeppelin.com/community-contracts/api/crosschain

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Latest commit: 31b2198

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[coderabbitai]

Walkthrough

The README file in the crosschain contracts directory was updated to change a documentation link URL. The reference URL was modified from the OpenZeppelin Contracts API documentation endpoint to the OpenZeppelin Community Contracts API documentation endpoint. This is a documentation reference update with no changes to the underlying code or functionality.

Suggested labels

ignore-changeset

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'docs: fix 404 link' directly and accurately describes the main change in the pull request - fixing a broken documentation link.
Description check	✅ Passed	The description is clearly related to the changeset, explaining which link was broken and what it was replaced with, providing context for the fix.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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Reviewing files that changed from the base of the PR and between eb97fd3 and 31b2198.

📒 Files selected for processing (1)

• contracts/crosschain/README.adoc (1 hunks)

🧰 Additional context used

🧠 Learnings (2)

📚 Learning: 2025-10-03T13:14:57.679Z

Learnt from: Amxx
Repo: OpenZeppelin/openzeppelin-contracts PR: 5914
File: contracts/crosschain/bridges/BridgeERC20.sol:57-58
Timestamp: 2025-10-03T13:14:57.679Z
Learning: In cross-chain bridge contracts like BridgeERC20, when processing incoming messages in _processMessage, avoid validation checks that revert on malformed addresses. Reverting would create cross-chain inconsistency where tokens are locked/burned on the source chain but never minted on the destination. Instead, use best-effort address extraction (e.g., address(bytes20(toBinary))) to maintain atomicity across chains. If tokens are minted to an incorrect address due to user error, recovery may be possible through admin controls rather than leaving funds permanently locked.

Applied to files:

• contracts/crosschain/README.adoc

📚 Learning: 2025-08-29T13:16:08.640Z

Learnt from: Amxx
Repo: OpenZeppelin/openzeppelin-contracts PR: 5904
File: contracts/mocks/crosschain/ERC7786RecipientMock.sol:12-14
Timestamp: 2025-08-29T13:16:08.640Z
Learning: In OpenZeppelin contracts, mock contracts (like ERC7786RecipientMock) don't require input validation such as zero-address checks in constructors, as they are only used for testing purposes in controlled environments.

Applied to files:

• contracts/crosschain/README.adoc

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🔇 Additional comments (1)

contracts/crosschain/README.adoc (1)

4-4: Documentation link corrected.

The URL has been successfully updated from the broken /contracts/ endpoint to the /community-contracts/ endpoint. This aligns with the PR objective to fix the 404 link.

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