Geofiles

Adding [hierarchy feature](https://github.com/FHOOEAIST/geofiles/tree/v4.0.0#geoobj) `h` to GeoOBJ allowing to store arbitrary object-trees.

Extending the meta information from v2.0.0 to differentiate between file based and object based meta information.

This release adds the possibility to use CityJSON's translation feature to represent origin information.
- [Reader](https://github.com/FHOOEAIST/geofiles/blob/v2.1.0/src/geofiles/reader/city_json_reader.py#L31)
- [Writer](https://github.com/FHOOEAIST/geofiles/blob/v2.1.0/src/geofiles/writer/city_json_writer.py#L26)

- Adding meta-information support for [GeoOBJ](https://github.com/FHOOEAIST/geofiles#geoobj), [GeoOFF](https://github.com/FHOOEAIST/geofiles#geooff) and [GeoPLY](https://github.com/FHOOEAIST/geofiles#geoply).
- [Meta Information](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/domain/geo_object.py#L29) and [Type](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/domain/geo_object.py#L59) in GeoObject
- [Translation + Rotation Unit](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/domain/geo_object_file.py#L39) in GeoObjectFile
- Adding CityGML support
- [Reader](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/reader/citygml_reader.py)
- [Writer](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/writer/citygml_writer.py)
- Adding Collada support
- [Reader](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/reader/collada_reader.py)
- [Writer](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/writer/collada_writer.py)
- Adding Type support for CityJson
- [Reader](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/reader/city_json_reader.py#L73)
- [Writer](https://github.com/FHOOEAIST/geofiles/blob/v2.0.0/src/geofiles/writer/city_json_writer.py#L106)

Added Read Support for CityJSON's [transform feature](https://github.com/FHOOEAIST/geofiles/blob/v1.6.0/src/geofiles/reader/city_json_reader.py#L40)

Added CityJSON write support for:
- [Transform information](https://github.com/FHOOEAIST/geofiles/blob/v1.5.0/src/geofiles/writer/city_json_writer.py#L58)
- [CityJSON v1.1](https://github.com/FHOOEAIST/geofiles/blob/v1.5.0/src/geofiles/writer/city_json_writer.py#L17) with mandatory transform information