[ReadMe] Fix the Markdown lists

README.md

@@ -13,6 +13,7 @@ The information related to a customer, especially their e-mail address, is only
 When this module is installed, it will link customers to mailboxes.
 Customers added once this module is active will be linked to mailboxes too.
 On uninstallation, simply unlinking them could cause several problems:
+
 - It could break unicity constraints, as two customers linked to disctinct mailboxes are allowed to use the same e-mail address as long as the module is active;
 - It would break the confidentiality promise, by letting all users having access to all customers.
 
@@ -20,6 +21,7 @@ To avoid these problems, on the module uninstallation all the customers linked t
 This is an irreversible operation, the customers deleted that way are gone for good.
 
 So it is highly recommended to backup your customers database:
+
 - Before installing this module;
 - Before uninstalling this module.
 
@@ -110,6 +112,7 @@ php artisan migrate
 ### Use the updated views
 
 Beware that this will overwrite any customization you might have done to the following templates:
+
 - `resources/views/conversations/search.blade.php`
 
 ```