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Add GS guide § Finishing Up (Updating) [ci-skip] 

Fixes #39920.
Resolves #38329.

Co-Authored-By: Ryan Bigg <me@ryanbigg.com>
This commit is contained in:
Jonathan Hefner 2020-10-28 17:04:25 -05:00
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@ -1197,6 +1197,22 @@ And now, let's create a very similar `app/views/articles/edit.html.erb`:
TIP: To learn more about partials, see [Layouts and Rendering in Rails § Using
Partials](layouts_and_rendering.html#using-partials).
#### Finishing Up
We can now update an article by visiting its edit page, e.g.
<http://localhost:3000/articles/1/edit>. To finish up, let's link to the edit
page from the bottom of `app/views/articles/show.html.erb`:
```html+erb
<h1><%= @article.title %></h1>
<p><%= @article.body %></p>
<ul>
<li><%= link_to "Edit", edit_article_path(@article) %></li>
</ul>
```
### Deleting Articles
We're now ready to cover the "D" part of CRUD, deleting articles from the