Feat (insomnia) implement sampling feature for insomnia mcp client

[TuannasCodeCatastrophe]

Description

Jobs to be done (optional)
Write content that explains the details of implementing the sampling support in insomnia v12.2.0
Just enough to explain that we have this, and this is what it does.

Definition of done
Content paragraph / FAQ: Write content that explains the details of implementing the sampling support in insomnia v12.2.0
Just enough to explain that we have this, and this is what it does.

insert: https://developer.konghq.com/insomnia/mcp-clients-in-insomnia/

Information
Jira

Due date (optional)
17th Dec

Size
M (Medium) Example: writing a UI how to for a straightforward product, adding a plugin example
NOTE: Ticket to be further refined after pm/writer sync

Fixes #3572

Preview Links

https://deploy-preview-3661--kongdeveloper.netlify.app/insomnia/mcp-clients-in-insomnia/#sampling-responses

Checklist

• Tested how-to docs. If not, note why here.
• All pages contain metadata.
• Any new docs link to existing docs.
• All autogenerated instructions render correctly (API, decK, Konnect, Kong Manager).
• Style guide (capitalized gateway entities, placeholder URLs) implemented correctly.
• Every page has a description entry in frontmatter.
• Add new pages to the product documentation index (if applicable).

[netlify]

✅ Deploy Preview for kongdeveloper ready!

Name	Link
🔨 Latest commit	7c1b3d2
🔍 Latest deploy log	https://app.netlify.com/projects/kongdeveloper/deploys/6936c32cd1e8b30008e556de
😎 Deploy Preview	https://deploy-preview-3661--kongdeveloper.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

TuannasCodeCatastrophe seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[TuannasCodeCatastrophe]

Waiting on deploy preview - can take 15 - 20 mins