Added
* Added `compas_assembly.algorithms.assembly_interfaces`.
* Added `compas_assembly.datastructures.Interface`.
* Added `compas_assembly.datastructures.Assembly.default_node_attributes['mesh_size']`.
* Added `compas_assembly.datastructures.Assembly.default_node_attributes['section']`.
* Added `compas_assembly.datastructures.Interface.interaction`.
Changed
* Changed `compas_assembly.algorithms.assembly_interfaces_numpy` to find all interfaces between two blocks.
* Changed `compas_assembly.datastructures.Assembly` do manage multiple interfaces per edge.
Removed