model-server download custom properties

src/mol-model-props/pdbe/structure-quality-report.ts

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

src/mol-model/structure/model/properties/custom/residue.ts

src/mol-util/make-dir.ts

src/servers/model/properties/providers/pdbe.ts

src/servers/model/utils/fetch-props-pdbe.ts