minor #17596 Clarifying not about Encore outside of Symfony (weaverryan)

This PR was submitted for the 6.2 branch but it was squashed and merged into the 5.4 branch instead.

Discussion
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Clarifying not about Encore outside of Symfony

Hi!

Closes symfony/webpack-encore#1169 and closes #17578

Cheers!

Commits
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7726f6b Clarifying not about Encore outside of Symfony

Author: javiereguiluz

frontend/encore/installation.rst

@@ -139,6 +139,9 @@ is the main config file for both Webpack and Webpack Encore:
 
     module.exports = Encore.getWebpackConfig();
 
+Creating Other Supporting File
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
 Next, open the new ``assets/app.js`` file which contains some JavaScript code
 *and* imports some CSS:
 
@@ -185,7 +188,7 @@ a system that you'll learn about soon:
     // register any custom, 3rd party controllers here
     // app.register('some_controller_name', SomeImportedController);
 
-And finally, create an ``assets/controllers.json`` file, which also fits into
+Then create an ``assets/controllers.json`` file, which also fits into
 the Stimulus system:
 
 .. code-block:: json
@@ -195,6 +198,18 @@ the Stimulus system:
         "entrypoints": []
     }
 
+Finally, though it's optional, add the following ``scripts`` to your ``package.json``
+file so you can run the same commands in the rest of the documentation:
+
+.. code-block:: json
+
+    "scripts": {
+        "dev-server": "encore dev-server",
+        "dev": "encore dev",
+        "watch": "encore dev --watch",
+        "build": "encore production --progress"
+    }
+
 You'll customize and learn more about these files in :doc:`/frontend/encore/simple-example`.
 When you execute Encore, it will ask you to install a few more dependencies based
 on which features of Encore you have enabled.

frontend/encore/simple-example.rst

@@ -154,9 +154,10 @@ template: the paths in ``entrypoints.json`` will always be the final, correct pa
 And if you use :doc:`splitEntryChunks() </frontend/encore/split-chunks>` (where Webpack splits the output into even
 more files), all the necessary ``script`` and ``link`` tags will render automatically.
 
-If you're *not* using Symfony, you can ignore the ``entrypoints.json`` file and
-point to the final, built file directly. ``entrypoints.json`` is only required for
-some optional features.
+If you are not using Symfony you won't have the ``encore_entry_*`` functions available.
+Instead, you can point directly to the final built files or write code to parse
+``entrypoints.json`` manually. The entrypoints file is needed only if you're using
+certain optional features, like ``splitEntryChunks()``.
 
 .. versionadded:: 1.9.0