general support for aromatic rings

src/mol-model-props/computed/interactions/charged.ts

src/mol-model/structure/query/queries/generators.ts

src/mol-model/structure/structure/unit/rings.ts

src/mol-plugin-ui/structure/selection.tsx

src/mol-plugin/util/structure-selection-helper.ts

src/mol-script/language/symbol-table/structure-query.ts

src/mol-script/runtime/query/table.ts