* improves rendering of codes as string (short names will be used if existing)
* reduces selectable konova codes to leafs (as discussed with experts)
* automatically resizes the width of modal form fields to w-100
* adds/updates translations
* adds codelist app
* adds KonovaCodeList and KonovaCode model for fetching and storing OSIRIS Codelisten entries
* adds update_codelist command for updating and fetching codes
* adds autocomplete route for using codelists in forms