Change Details

Part of [[ https://linear.app/comm/issue/ENG-10730/add-endpoint-to-fetch-blob-sizes | ENG-10730 ]]. Added implementation to the HTTP endpoint for fetching blob sizes: - Gets size from DDB if present - Asks S3 otherwise Depends on D14645

Part of [[ https://linear.app/comm/issue/ENG-10730/add-endpoint-to-fetch-blob-sizes | ENG-10730 ]]. Added implementation to the HTTP endpoint for fetching blob sizes: - Gets size from DDB if present - Asks S3 otherwise Depends on D14645, D14647

Part of [[ https://linear.app/comm/issue/ENG-10730/add-endpoint-to-fetch-blob-sizes | ENG-10730 ]]. Added implementation to the HTTP endpoint for fetching blob sizes: - Gets size from DDB if present - Asks S3 otherwise Depends on D14645, D14647