feat: R2 stats

[AmirSa12]

closes #274

[continuous-releases-staging]

Open in Stackblitz • example-1 • example-2

npm i https://303a17a5.stackblitz-cr.pages.dev/stackblitz-labs/pkg.pr.new/playground-a@288

npm i https://303a17a5.stackblitz-cr.pages.dev/stackblitz-labs/pkg.pr.new/playground-b@288

npm i https://303a17a5.stackblitz-cr.pages.dev/stackblitz-labs/pkg.pr.new/pkg-pr-new@288

commit: 9c23624

[Aslemammad]

LGTM!