wip, geometry refactoring

src/apps/canvas/assembly-symmetry.ts

src/apps/canvas/component/structure-representation.tsx

src/apps/canvas/structure-view.ts

src/mol-app/ui/transform/backbone.tsx

src/mol-app/ui/transform/ball-and-stick.tsx

src/mol-app/ui/transform/carbohydrate.tsx

src/mol-app/ui/transform/cartoon.tsx

src/mol-app/ui/transform/distance-restraint.tsx

src/mol-app/ui/transform/spacefill.tsx

src/mol-geo/geometry/geometry.ts

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

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

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

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

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

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

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

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

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

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