Add/update filtered-sum-bms benchmark

spot-launcher/node_modules/@aws-crypto/crc32/README.md

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+# @aws-crypto/crc32
+
+Pure JS implementation of CRC32 https://en.wikipedia.org/wiki/Cyclic_redundancy_check
+
+## Usage
+
+```
+import { Crc32 } from '@aws-crypto/crc32';
+
+const crc32Digest = (new Crc32).update(buffer).digest()
+
+```
+
+## Test
+
+`npm test`