update reference with new name (facebook#2259)

s/adding-images-and-fonts/adding-images-fonts-and-files/

packages/react-scripts/template/README.md

@@ -579,7 +579,7 @@ The `<script>` tag with the compiled code will be added to it automatically duri
 You can also add other assets to the `public` folder.
 
 Note that we normally encourage you to `import` assets in JavaScript files instead.
-For example, see the sections on [adding a stylesheet](#adding-a-stylesheet) and [adding images and fonts](#adding-images-and-fonts).
+For example, see the sections on [adding a stylesheet](#adding-a-stylesheet) and [adding images and fonts](#adding-images-fonts-and-files).
 This mechanism provides a number of benefits:
 
 * Scripts and stylesheets get minified and bundled together to avoid extra network requests.
@@ -619,7 +619,7 @@ Keep in mind the downsides of this approach:
 
 ### When to Use the `public` Folder
 
-Normally we recommend importing [stylesheets](#adding-a-stylesheet), [images, and fonts](#adding-images-and-fonts) from JavaScript.
+Normally we recommend importing [stylesheets](#adding-a-stylesheet), [images, and fonts](#adding-images-fonts-and-files) from JavaScript.
 The `public` folder is useful as a workaround for a number of less common cases:
 
 * You need a file with a specific name in the build output, such as [`manifest.webmanifest`](https://developer.mozilla.org/en-US/docs/Web/Manifest).