added VolumeData.sourceData: ModelFormat

src/mol-model-formats/format.ts

src/mol-model-formats/structure/3dg.ts

src/mol-model-formats/structure/basic/atomic.ts

src/mol-model-formats/structure/basic/parser.ts

src/mol-model-formats/structure/cif-core.ts

src/mol-model-formats/structure/common/property.ts

src/mol-model-formats/structure/cube.ts

src/mol-model-formats/structure/gro.ts

src/mol-model-formats/structure/mmcif.ts

src/mol-model-formats/structure/mol.ts

src/mol-model-formats/structure/psf.ts

src/mol-model-formats/volume/ccp4.ts

src/mol-model-formats/volume/cube.ts

src/mol-model-formats/volume/density-server.ts

src/mol-model-formats/volume/dsn6.ts

src/mol-model-formats/volume/dx.ts

src/mol-model/structure/model/model.ts

src/mol-model/structure/topology/topology.ts

src/mol-model/volume/data.ts