docs(mcp): http server example

[afjcjsbx]

📝 Description

Added example of http MCP server in config.example.json file, I added it because as an example there were only local servers.

🗣️ Type of Change

• 🐞 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 📖 Documentation update
• ⚡ Code refactoring (no functional changes, no api changes)

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• 🤖 Fully AI-generated (100% AI, 0% Human)
• 🛠️ Mostly AI-generated (AI draft, Human verified/modified)
• 👨‍💻 Mostly Human-written (Human lead, AI assisted or none)

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☑️ Checklist

• My code/docs follow the style of this project.
• I have performed a self-review of my own changes.
• I have updated the documentation accordingly.

[nikolasdehor]

LGTM. Straightforward docs-only change adding a helpful HTTP MCP server example to the config file. The context7 entry correctly demonstrates the type: http, url, and headers fields, which complements the existing stdio-based filesystem example.

One minor suggestion: the headers field has the key named CONTEXT7_API_KEY — this is technically correct as Feishu/HTTP header names, but it might be clearer to show an Authorization: Bearer ... header as that is a more common pattern. Not a blocker.

[yinwm]

LGTM

[yinwm]

thanks for the pr