Example translation editing

src/model/example.py

@@ -1,8 +1,10 @@
-class Example:
+from model.editable import Editable
+
+class Example(Editable):
     def __init__(self, example_xml):
         example = example_xml.querySelector("example")
-        translation = example_xml.querySelector("translationContainer translation")
-        
         self.example = example.textContent if example else ""
-        self.translation = translation.textContent if translation else ""
         
+        self.translations = []
+        for translation in example_xml.querySelectorAll("translationContainer translation"):
+            self.translations.append(translation.textContent)