feat(statistics): refactor of statistics

libs/shared/lib/statistics/graphStatistics.ts

libs/shared/lib/statistics/index.ts

libs/shared/lib/statistics/statistics.types.ts

libs/shared/lib/statistics/utils/attributeStats/array.ts

libs/shared/lib/statistics/utils/attributeStats/boolean.ts

...shared/lib/statistics/utils/attributeStats/categorical.ts

libs/shared/lib/statistics/utils/attributeStats/index.ts

.../shared/lib/statistics/utils/attributeStats/initialize.ts

libs/shared/lib/statistics/utils/attributeStats/numerical.ts

libs/shared/lib/statistics/utils/attributeStats/object.ts

libs/shared/lib/statistics/utils/attributeStats/temporal.ts

libs/shared/lib/statistics/utils/getAttributeType.ts

libs/shared/lib/statistics/utils/getNodeOrEdgeType.ts

libs/shared/lib/statistics/utils/index.ts

libs/shared/lib/statistics/utils/updateStatistics.ts