Update & rename contract for secure asset transfer - thirdweb deploy

[matu771991]

Added a Solidity contract for secure asset migration, preventing bot attacks and malicious contracts. The contract ensures safe transfers from old wallets to a new wallet and self-destructs after execution for enhanced security. Integrated with thirdweb for seamless deployment

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PR-Codex overview

This PR introduces a new Solidity smart contract named AssetMigration, designed to securely transfer assets from multiple old wallets to a new wallet and self-destruct after execution for enhanced security.

Detailed summary

• Added AssetMigration contract inheriting from ReentrancyGuard.
• Defined state variables for old wallets, new wallet, owner, and ERC20 tokens.
• Implemented onlyOwner modifier for access control.
• Created constructor to initialize contract parameters.
• Added migrateAssets function to transfer assets from old wallets to the new wallet.
• Implemented internal _transferAssets function to handle asset transfers.
• Added _deactivateContract function to self-destruct the contract after migration.
• Included events for asset transfer and contract deactivation.
• Added receive and fallback functions for handling Ether transfers.

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