std::unique_ptr< SourceTerm > createNodalSourceTerm(BaseLib::ConfigTree const &config, MeshLib::Mesh const &st_mesh, std::unique_ptr< NumLib::LocalToGlobalIndexMap > dof_table, std::size_t const source_term_mesh_id, const int variable_id, const int component_id, std::vector< std::unique_ptr< ParameterLib::ParameterBase > > const ¶meters)