docs: add whitespace for emphasis

Signed-off-by: Bart Jaskulski <bjaskulski@protonmail.com>

docs/configuration.md

@@ -37,6 +37,7 @@ definitions. Refer to [php-di documentation](https://php-di.org/doc/definitions.
 information on such file content.
 
 > Warning
+>
 > If you are using _shortcut_ functions from `php-di/php-di` (e.g. `DI\autowire`, `DI\create`), you
 > must load them first. Add `require __DIR__ . '/vendor_prefixed/php-di/php-di/src/functions.php';`
 > to your plugin file.

docs/prefixing.md

@@ -8,6 +8,7 @@ introduce following configuration to your `scoper.inc.php` file.
 - Include `php-di` and it's dependencies in finders
 
 > Note
+>
 > Pay attention to actual installed `php-di/php-di` version, as it's dependencies may change,
 > requiring to update `scoper.inc.php` accordingly.