[Cookbook][Configuration] tweaks for the web server configuration chapter

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | yes
| Applies to    | all
| Fixed tickets | 

Tweaks to #3915 as suggested by @weaverryan.
"test" makes me think of something like functional testing, not developing. How about:

>
The easiest way to develop your application is to use...