feat: add ERC2771 meta tx release note

[daanporon]

Summary by Sourcery

Add release notes for ERC-2771 meta-transactions integration, explaining how the feature enables gas-less transactions on the SettleMint platform

New Features:

• Implement ERC-2771 meta-transactions support, allowing users to interact with blockchain applications without paying gas fees
• Introduce a secure meta-transaction system using OpenZeppelin's ERC2771Forwarder contract with EIP-712 signature validation

Documentation:

• Create comprehensive release notes detailing the ERC-2771 meta-transactions feature, including technical overview, key features, implementation details, and potential use cases

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request introduces a new release note that describes the integration of ERC-2771 meta-transactions into the SettleMint platform. This integration enables gas-less transactions for end-users, improving user experience by abstracting away gas fees. The release note covers the key features, setup process, internal workings, and potential use cases of this integration.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Introduced a new release note detailing the integration of ERC-2771 meta-transactions into the SettleMint platform.	Added a comprehensive overview of ERC-2771 meta-transactions. Explained the key features, including gas-less transactions and secure implementation using OpenZeppelin's ERC2771Forwarder. Provided a step-by-step guide on enabling meta-transactions for private keys. Detailed the behind-the-scenes process of how meta-transactions work within the SettleMint platform. Highlighted various use cases, such as consumer applications, enterprise solutions, gaming, NFTs, identity, and governance.	content/release-notes/erc-2771-meta-tx.mdx

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[sourcery-ai]

Hey @daanporon - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider including a link to the OpenZeppelin ERC2771Forwarder contract for developers who want to learn more.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Review instructions: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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