[Doc] Documentation of <media> prj file tree.

Documentation/ProjectFile/prj/media/i_media.md

+Group of media.

Documentation/ProjectFile/prj/media/medium/a_id.md

+An optional id of the medium corresponding to the MaterialIDs. If not given id
+is set to 0. The id is used to distinguish different media based on the
+MaterialIDs.

Documentation/ProjectFile/prj/media/medium/i_medium.md

+A specific medium with optional id corresponding to the MaterialIDs.

Documentation/ProjectFile/prj/media/medium/phases/i_phases.md

+Group of phases.

Documentation/ProjectFile/prj/media/medium/phases/phase/components/component/i_component.md

+Pure chemical substance, or an invariable composition like air or wood.

Documentation/ProjectFile/prj/media/medium/phases/phase/components/component/properties

+../../../../../../../properties
\ No newline at end of file

Documentation/ProjectFile/prj/media/medium/phases/phase/components/component/t_name.md

+Name of the substance.

Documentation/ProjectFile/prj/media/medium/phases/phase/components/i_components.md

+Set of components residing in current phase.

Documentation/ProjectFile/prj/media/medium/phases/phase/i_phase.md

+Coherent material with homogeneous properties.

Documentation/ProjectFile/prj/media/medium/phases/phase/properties

+../../../../../properties
\ No newline at end of file

Documentation/ProjectFile/prj/media/medium/phases/phase/t_type.md

+One of "Gas", "Solid", "AqueousLiquid", and "NonAqueousLiquid".

Documentation/ProjectFile/prj/media/medium/properties

+../../../properties
\ No newline at end of file

Documentation/ProjectFile/properties/i_properties.md

+Group of properties for the current subsection like medium, phase, or component.

Documentation/ProjectFile/properties/property/Constant/c_Constant.md

+A constant property with given value.

Documentation/ProjectFile/properties/property/Constant/t_value.md

+A numeric value of one of the implemented data types as given in MaterialPropertyLib::PropertyDataType.

Documentation/ProjectFile/properties/property/i_property.md

+A constitutive property.

Documentation/ProjectFile/properties/property/t_name.md

+One of the implemented properties as given in MaterialPropertyLib::PropertyType.

Documentation/ProjectFile/properties/property/t_type.md

+Either a "Constant" or a specific constitutive relationship type like "BilinearTemperaturePressure".