You can now remove ports

Minor documentation update for loading an IFC model

Split BlenderBIM and other docs to not overwhelm users. Use Furo them…

…e for Sphinx.

You can now add ports to types, and ports are created when placing oc…

…currences of that type

Fix IfcOpenShell#2107. Materials and styles in the scene manager are …

…now shown alphabetically

IfcOpenShell#1153 New CAD module with basic trim / extend tool for 2D…

… linework

IfcOpenShell#1153 Implement adding and removing schedules from a sheet

IfcOpenShell#1153 You can now add / remove / open schedules, implemen…

…ted as IFC documents

Show construction type descriptions as tooltips in BIM authoring tool

IfcOpenShell#1153 Dimensions can now have custom text