update readme and changelog

Author: OliverZiegler

CHANGELOG.md

@@ -21,6 +21,23 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 ### Security
 - Nothing
 
+## 1.0.3 - 2018-02-07
+
+### Added
+- append `lang` as parameter to the api route to get the right language
+
+### Deprecated
+- Nothing
+
+### Fixed
+- Nothing
+
+### Removed
+- Nothing
+
+### Security
+- Nothing
+
 ## 1.0.2 - 2018-02-07
 
 We changed the migration instead of providing a new one.

README.md

@@ -58,6 +58,8 @@ Headers:
 Accept: application-json
 ```
 
+If you use translation you can append `lang` parameter to the api route to get the specified language. (eg. api/v1/documents?lang=de)
+
 ## Customisation
 
 You can edit many parts of the functionality. Just look at the published config file (`config/webfactor/documents.php`).