ktests: add items, groups & test for LJT-fr

frontend/static/surveys/items/10010/q.mp3

frontend/static/surveys/items/10011/q.mp3

frontend/static/surveys/items/10020/q.mp3

frontend/static/surveys/items/10021/q.mp3

frontend/static/surveys/items/10030/q.mp3

frontend/static/surveys/items/10031/q.mp3

frontend/static/surveys/items/10040/q.mp3

frontend/static/surveys/items/10041/q.mp3

frontend/static/surveys/items/10080/q.mp3

frontend/static/surveys/items/10081/q.mp3

frontend/static/surveys/items/10090/q.mp3

frontend/static/surveys/items/10091/q.mp3

frontend/static/surveys/items/10110/q.mp3

frontend/static/surveys/items/10111/q.mp3

frontend/static/surveys/items/10120/q.mp3

frontend/static/surveys/items/10121/q.mp3

frontend/static/surveys/items/10130/q.mp3

frontend/static/surveys/items/10131/q.mp3

frontend/static/surveys/items/10160/q.mp3

frontend/static/surveys/items/10161/q.mp3