Compute bonds on unit level

src/apps/structure-info/index.ts

src/mol-math/geometry/lookup3d/grid.ts

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

src/mol-model/structure/model/utils/compute-bonds.ts

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

...cture/structure/element/properties/bonds/group-compute.ts

...tructure/structure/element/properties/bonds/group-data.ts

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