feat: Add Eternal AI to Build Your Own AI Agent section

[0x4123dev]

Add Eternal AI to Build Your Own AI Agent section

Description

This PR adds Eternal AI as a featured platform in the Build Your Own AI Agent section. The changes include:

• Added Eternal AI product card
• Maintained consistent styling with existing products
• Added proper image imports and component structure

The addition showcases Eternal AI's unique value proposition in the decentralized AI space, emphasizing its Ethereum alignment and onchain capabilities.

Related Issue

This PR adds a new feature without addressing a specific issue. The change enhances the AI agents section by including another prominent Ethereum-aligned AI platform.

Checklist

• I have read the contributing guidelines
• My changes follow the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

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[github-actions]

This issue is stale because it has been open 30 days with no activity.