Readme: Add section about how translations work

Closes openstreetmap#55

Author: tordans

README.md

@@ -17,6 +17,11 @@ This Tagging Schema fills that need, but with a number of caveats:
 - We support tags based on practicality, usage, and community approval
 - Sometimes there are reasons we can't support a tag even if it's used or approved
 
+## Translations
+
+* [Translations are managed in the Transiflex Project of the iD Editor](https://www.transifex.com/openstreetmap/id-editor/translate/#en_GB/presets/84278008).
+* English translations for the `terms`-key should be added to the JSON data ([Exampple](https://github.com/openstreetmap/id-tagging-schema/blob/main/data/presets/natural/shrub.json#L16-L19)).
+
 ## Usage
 
 ### Java/Android