Make syntax highlighting explicit in docs

src/ifcopenshell-python/ifcopenshell/api/profile/add_arbitrary_profile.py

@@ -39,7 +39,9 @@ class Usecase:
         :return: The newly created IfcArbitraryClosedProfileDef
         :rtype: ifcopenshell.entity_instance.entity_instance
 
-        Example::
+        Example:
+
+        .. code:: python
 
             # A 10mm by 100mm rectangle, such that might be used as a wooden
             # skirting board or kick plate.

src/ifcopenshell-python/ifcopenshell/api/profile/add_parameterized_profile.py

@@ -34,7 +34,9 @@ class Usecase:
         :return: The newly created element depending on the specified ifc_class.
         :rtype: ifcopenshell.entity_instance.entity_instance
 
-        Example::
+        Example:
+
+        .. code:: python
 
             circle = ifcopenshell.api.run("profile.add_parameterized_profile", model,
                 ifc_class="IfcCircleProfileDef")

src/ifcopenshell-python/ifcopenshell/api/profile/edit_profile.py

@@ -31,7 +31,9 @@ class Usecase:
         :return: None
         :rtype: None
 
-        Example::
+        Example:
+
+        .. code:: python
 
             circle = ifcopenshell.api.run("profile.add_parameterized_profile", model,
                 ifc_class="IfcCircleProfileDef")

src/ifcopenshell-python/ifcopenshell/api/profile/remove_profile.py

@@ -26,7 +26,9 @@ class Usecase:
         :return: None
         :rtype: None
 
-        Example::
+        Example:
+
+        .. code:: python
 
             circle = ifcopenshell.api.run("profile.add_parameterized_profile", model,
                 ifc_class="IfcCircleProfileDef")