* refactors intervention/forms and ../modalForms into individual files in separated packages
* forms.py has been renamed into intervention.py, now can be found as intervention/forms/intervention.py
* modalForms.py has been split into individual files living in modals package, can be found as intervention/forms/modals/...
* adds optional short_name rendering for selectable codes
* refactors autocomplete field for compensation state into custom js tree widget
* adds single select (radio) alternative to tree widget templates
* refactors default autocomplete into grouped autocompletes, if parents exist for grouping
* updates requirement for django-autocomplete-light due to an issue with an attribute in pip's default version 3.8.2. More info here: https://github.com/yourlabs/django-autocomplete-light/issues/1278
* keeps responsible data in compensation model for potential future purposes
* refactors registration_office and conservation_office to map onto KonovaCodes instead of own Organization model
* adds str_as_office property-method to KonovaCode to provide an easy way of rendering template data
* adds missing highlighting in case of missing information about registration office and conservation office
* adds proper boolean mapping to update_codelist
* differs between id and atom_id for KonovaCode since atomIds are not unique (could change in the future)
* adds is_selectable and is_archived to KonovaCode
* scales width of DAL form fields to 100% width
* adds table-responsive wrapping container for table forms to prevent unwanted rendering artifacts in case of table resizing due to long content
* adds autocomplete routes for law, registration offices and conservation offices
* 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
