Merge branch '4.1'

* 4.1:
  Fixed the ts-loader version
  Updated some config to follow the previous example
  Update routing.rst

Author: javiereguiluz

frontend/encore/typescript.rst

@@ -5,7 +5,7 @@ Want to use `TypeScript`_? No problem! First, install the dependencies:
 
 .. code-block:: terminal
 
-    $ yarn add --dev typescript ts-loader
+    $ yarn add --dev typescript ts-loader@^3.0
 
 Then, activate the ``ts-loader`` in ``webpack.config.js``:
 

routing.rst

@@ -238,8 +238,7 @@ with a locale. This can be done by defining a different prefix for each locale
             type: annotation
             prefix:
                 en: '' # don't prefix URLs for English, the default locale
-                fr: '/fr'
-                es: '/es'
+                nl: '/nl'
 
 .. _routing-requirements: