make use of assertUnreachable

src/mol-canvas3d/camera.ts

src/mol-geo/geometry/text/text-builder.ts

src/mol-gl/shader-code.ts

src/mol-gl/webgl/buffer.ts

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

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

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

src/mol-model/sequence/sequence.ts

src/mol-plugin-state/actions/structure.ts

src/mol-plugin-state/actions/volume.ts

src/mol-plugin-state/helpers/structure-component.ts

src/mol-plugin-state/transforms/data.ts

src/mol-plugin-state/transforms/model.ts

src/mol-script/language/parser.ts

src/mol-util/zip/deflate.ts