Simplify readability for NGINX Plus Admin Guide: Gateway with uWSGI and Django

[kmjaimes]

Proposed changes

Problem: Article is listed as "difficult" to read.

Solution: Use Hemingway App to drop readability score from 10 to 9. Fleisch Kinkaid estimate from 14.46 to 8.2.

If this PR addresses an issue on GitHub, ensure that you link to it here: #359

Closes Issue #359

[github-actions]

🎉 Thank you for your contribution! It appears you have not yet signed the F5 Contributor License Agreement (CLA), which is required for your changes to be incorporated into an F5 Open Source Software (OSS) project. Please kindly read the F5 CLA and reply on a new comment with the following text to agree:

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I have hereby read the F5 CLA and agree to its terms

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2 out of 3 committers have signed the CLA.
✅ (kmjaimes)[https://github.com/kmjaimes]
✅ (mjang)[https://github.com/mjang]
❌ @kristen Jaimes
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[kmjaimes]

I have hereby read the F5 CLA and agree to its terms

[kmjaimes]

recheck

[mjang]

recheck

[mjang]

I love the improvements! I have a couple of suggested changes. If you'd like to talk about it while we're at the conference, let me know!

[mjang]

recheck

[mjang]

Thanks so much!

[mjang]

Congratulations @kmjaimes on your first time PR!

(I see the test for the CLA is still failing. But we see your acceptance in the comments, so I'm overriding the test, and accepting your PR!)

[kmjaimes]

Thanks for the opportunity! It's been a great experience and I look forward to contributing in the future.