[WIP] feat(account): support importing hmcl accounts

[UNIkeEN]

Checklist

• Changes have been tested locally and work as expected.
• All tests in workflows pass successfully.
• Documentation has been updated if necessary.
• Code formatting and commit messages align with the project's conventions.
• Comments have been added for any complex logic or functionality if possible.

This PR is a ..

• 🆕 New feature
• 🐞 Bug fix
• 🛠 Refactoring
• ⚡️ Performance improvement
• 🌐 Internationalization
• 📄 Documentation improvement
• 🎨 Code style optimization
• ❓ Other (Please specify below)

Related Issues

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• e.g. close #xxxx, fix #xxxx

Description

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Additional Context

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