added mol-plugin-state, refactored PluginCommand

README.md

src/apps/basic-wrapper/helpers.ts

src/apps/basic-wrapper/index.ts

src/apps/basic-wrapper/superposition.ts

src/apps/demos/lighting/index.ts

src/apps/state-docs/index.ts

src/apps/viewer/extensions/cellpack/model.ts

src/apps/viewer/extensions/cellpack/state.ts

src/apps/viewer/index.ts

src/examples/proteopedia-wrapper/index.ts

src/mol-plugin-state/actions.ts

src/mol-plugin-state/actions/data-format.ts

src/mol-plugin-state/actions/shape.ts

src/mol-plugin-state/actions/structure.ts

src/mol-plugin-state/actions/volume.ts

src/mol-plugin-state/animation/built-in.ts

src/mol-plugin-state/animation/helpers.ts

src/mol-plugin-state/animation/manager.ts

src/mol-plugin-state/animation/model.ts

src/mol-plugin-state/camera.ts