Improved image for middleware doc

[mammadkoma]

[Enter feedback here] the image in this page should be like this:

---

Document Details

⚠ Do not edit this section. It is required for learn.microsoft.com ➟ GitHub issue linking.

• ID: 9898482c-fa54-7ce2-1716-d14fbe03990d
• Version Independent ID: 3926c686-0ccc-f9fe-ca52-0134612a1623
• Content: ASP.NET Core Middleware
• Content Source: aspnetcore/fundamentals/middleware/index.md
• Product: aspnet-core
• Technology: aspnetcore-fundamentals
• GitHub Login: @Rick-Anderson
• Microsoft Alias: riande

[Rick-Anderson]

@mammadkoma that's vastly superior to what we have.

Any chance you could PR this? At the top right of the article, select the Edit pen icon:

Select the pen icon again. Edit, then Save.

Unfortunately we can't accept it with the https://www.shekhali.com/ watermark, but I can add you to the authors list.

[mammadkoma]