Merge branch 'master' of https://github.com/molstar/molstar into pr/yakomaxa/514

CHANGELOG.md

README.md

package-lock.json

package.json

src/apps/docking-viewer/index.ts

src/apps/docking-viewer/viewport.tsx

src/apps/viewer/app.ts

src/apps/viewer/embedded.html

src/extensions/backgrounds/images/cells.jpg

src/extensions/backgrounds/index.ts

src/extensions/backgrounds/skyboxes/nebula/nebula_back6.jpg

...extensions/backgrounds/skyboxes/nebula/nebula_bottom4.jpg

src/extensions/backgrounds/skyboxes/nebula/nebula_front5.jpg

src/extensions/backgrounds/skyboxes/nebula/nebula_left2.jpg

src/extensions/backgrounds/skyboxes/nebula/nebula_right1.jpg

src/extensions/backgrounds/skyboxes/nebula/nebula_top3.jpg

src/extensions/backgrounds/typings.d.ts

src/extensions/dnatco/confal-pyramids/property.ts

src/extensions/dnatco/confal-pyramids/representation.ts

src/extensions/dnatco/confal-pyramids/types.ts