BinaryCIF field classifier, auto classify fields & field encoding provider

src/apps/cif2bcif/field-classifier.ts

src/mol-io/common/binary-cif/array-encoder.ts

src/mol-io/common/binary-cif/classifier.ts

src/mol-io/reader/cif/binary/field.ts

src/mol-io/reader/cif/data-model.ts

src/mol-io/reader/cif/text/field.ts

src/mol-io/writer/cif.ts

src/mol-io/writer/cif/encoder/binary.ts

src/mol-util/number.ts