wip, geometry refactoring

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

src/mol-geo/geometry/geometry.ts

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

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

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

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

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

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

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

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

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

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

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

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

src/mol-geo/util/marching-cubes/builder.ts

src/mol-model/loci.ts

src/mol-repr/structure/visual/gaussian-surface-mesh.ts

src/mol-repr/structure/visual/gaussian-surface-wireframe.ts

src/mol-repr/structure/visual/molecular-surface-mesh.ts

src/mol-repr/structure/visual/molecular-surface-wireframe.ts