geometry refactoring

src/mol-canvas3d/helper/bounding-sphere-helper.ts

src/mol-geo/geometry/color-data.ts

src/mol-geo/geometry/direct-volume/direct-volume.ts

src/mol-geo/geometry/geometry.ts

src/mol-geo/geometry/lines/lines.ts

src/mol-geo/geometry/mesh/mesh.ts

src/mol-geo/geometry/points/points.ts

src/mol-geo/geometry/size-data.ts

src/mol-geo/geometry/spheres/spheres.ts

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

src/mol-gl/_spec/renderer.spec.ts

src/mol-gl/render-object.ts

src/mol-math/geometry/gaussian-density/gpu.ts

src/mol-model/loci.ts

src/mol-model/shape/shape.ts

src/mol-repr/representation.ts

src/mol-repr/shape/representation.ts

src/mol-repr/structure/complex-visual.ts

src/mol-repr/structure/representation.ts

src/mol-repr/structure/units-visual.ts