[Docs] add editPost route to App in essentials tutorial

[atsteinberg]

in essentials tutorial part 4

---

name: :book: New/Updated Documentation Content about: Adding a new docs page, or updating content in an existing docs page

PR Type

Does this PR add a new page, or update an existing page? update

Checklist

• [x] Is there an existing issue for this PR?
  • link issue here no
• [x] Have the files been linted and formatted?

What docs page is being added or updated?

• Section: essentials tutorial
• Page: part 4

For Adding New Content

What kind of content category is this page (tutorial, how-to, explanation, reference)?

Who is the intended target audience?

What knowledge are we assuming they have?

What are the intended results or takeaways from reading this page?

What is the most critical info they should learn?

For Updating Existing Content

What updates should be made to the page?

add the necessary code for the updated routes when adding the editPost form to the tutorial at the place it is needed.

Do these updates change any of the assumptions or target audience? If so, how do they change?

no. They might help a comparative newbie (like myself) not to break the app when trying to follow the tutorial, though.

[netlify[bot]]

Deploy preview for redux-docs ready!

Built with commit f721e4dde408e14bdba982db3becca04014c7351

https://deploy-preview-3943--redux-docs.netlify.app

[Srijan1231]

Helping Everyone to learn more about redux. Nice work....