Added mol-model-props module

README.md

package.json

src/mol-model-props/pdbe/structure-quality-report.ts

src/mol-model-props/rcsb/graphql/symmetry.gql.ts

src/mol-model-props/rcsb/graphql/types.ts

src/mol-model-props/rcsb/symmetry.ts

src/servers/model/properties.ts

src/servers/model/properties/pdbe.ts

tsconfig.json