Write docs for owner API module

src/ifcopenshell-python/ifcopenshell/api/owner/add_application.py

@@ -20,16 +20,46 @@ import ifcopenshell.api
 
 
 class Usecase:
-    def __init__(self, file, **settings):
+    def __init__(
+        self,
+        file,
+        application_developer=None,
+        version=None,
+        application_full_name="IfcOpenShell",
+        application_identifier="IfcOpenShell",
+    ):
+        """Adds a new application
+
+        IFC data may be associated with an authoring application to identify
+        which application was responsible for editing or authoring the data. An
+        application is defined by the developing organisation, as well as a full
+        name and identifier. This is akin to how web browsers have an
+        identification string.
+
+        :param application_developer: The IfcOrganization responsible for
+            creating the application. Defaults to generating an IfcOpenShell
+            organisation if none is provided.
+        :type application_developer: ifcopenshell.entity_instance.entity_instance, optional
+        :param version: The version of the application. Defaults to the
+            ifcopenshell.version data if not specified.
+        :type version: str, optional
+        :param application_full_name: The name of the application
+        :type application_full_name: str, optional
+        :param application_identifier: An identification string for the
+            application intended for computers to read.
+        :type application_identifier: str, optional
+
+        Example::
+
+            application = ifcopenshell.api.run("owner.add_application", model)
+        """
         self.file = file
         self.settings = {
-            "application_developer": None,
-            "version": ifcopenshell.version,
-            "application_full_name": "IfcOpenShell",
-            "application_identifier": "IfcOpenShell",
+            "application_developer": application_developer,
+            "version": version or ifcopenshell.version,
+            "application_full_name": application_full_name,
+            "application_identifier": application_identifier,
         }
-        for key, value in settings.items():
-            self.settings[key] = value
 
     def execute(self):
         if not self.settings["application_developer"]: