Updates the MockPlugin::initialize() to create a cosinus provider and register it to the data source controller

Creates a default provider that will be returned by the mock plugin

Adds method for registering a data provider in the data source controller

Creates scalar series

Creates IDataSeries interface and its default implementation

Creates ArrayData (struct that holds data as a vector of double)

Creates data provider parameters

Creates IDataProvider interface

add {} missing

Add const and override