clip objects & per group clipping

package.json

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

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

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

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

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

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

src/mol-gl/renderable/direct-volume.ts

src/mol-gl/renderable/schema.ts

src/mol-gl/renderer.ts

src/mol-gl/shader-code.ts

src/mol-gl/shader/chunks/assign-clipping-varying.glsl.ts

src/mol-gl/shader/chunks/assign-position.glsl.ts

src/mol-gl/shader/chunks/clip-instance.glsl.ts

src/mol-gl/shader/chunks/clip-pixel.glsl.ts

src/mol-gl/shader/chunks/common-clip.glsl.ts