Continue install_shopping_list.md

ibexa/recipes-dev#230

Author: adriendupuis

docs/commerce/shopping_list/install_shopping_list.md

@@ -14,13 +14,24 @@ Run the following command to install the package:
 composer require ibexa/shopping-list
 ```
 
-TODO: Describe what install does
+The associated recipe declares the bundle and its routes.
 
 Check that the following line have been added by the recipe to `config/bundles.php` file's array:
 ```php
     Ibexa\Bundle\ShoppingList\IbexaShoppingListBundle::class => ['all' => true],
 ```
 
+And that you have a `config/routes/ibexa_shopping_list.yaml` file configuring the following routes:
+
+```yaml
+ibexa.shopping_list:
+    resource: '@IbexaShoppingListBundle/Resources/config/routing.php'
+
+ibexa.rest.shopping_list:
+    resource: '@IbexaShoppingListBundle/Resources/config/routing_rest.php'
+    prefix: '%ibexa.rest.path_prefix%'
+```
+
 ## Modify database schema
 
 Add the tables needed by the bundle:
@@ -39,13 +50,14 @@ Add the tables needed by the bundle:
 
 TODO: possible charset issue, see https://github.com/ibexa/doctrine-schema/pull/38
 
-TODO: ~~Default shopping list creation for existing customers?~~ The default shopping lists are created when used.
+Notice that a user has no shopping list at this stage, not even the default one.
+The users' default shopping lists are created when used.
 
 ## Configure
 
 By default, the maximum shopping list count per user is 10 and the maximum entries per list is 100.
-
-TODO: explain `list_per_page_limit`
+When listing their shopping list, the use see 25 lists per page
+(and as it's over the shopping list count, there is always one page of shopping lists in this default scenario).
 
 You can override the following parameters to change their values:
 
@@ -56,19 +68,6 @@ parameters:
     ibexa.site_access.config.default.shopping_list.pagination.list_per_page_limit: 25
 ```
 
-TODO: Probably a file that will be created by recipe:
-
-```yaml
-# config/routes/ibexa_shopping_list.yaml
-
-ibexa.shopping_list:
-    resource: '@IbexaShoppingListBundle/Resources/config/routing.php'
-
-ibexa.rest.shopping_list:
-    resource: '@IbexaShoppingListBundle/Resources/config/routing_rest.php'
-    prefix: '%ibexa.rest.path_prefix%'
-```
-
 ### Role
 
 Create a new role and then assign it to registered customer groups who should be able to use this feature.