Update README.md

README.md

@@ -1,10 +1,17 @@
 #### AWS S3 Reader
 
+[![codecov](https://codecov.io/gh/nikolaydubina/aws-s3-reader/graph/badge.svg?token=RjrAU7oJgH)](https://codecov.io/gh/nikolaydubina/aws-s3-reader)
+[![Go Report Card](https://goreportcard.com/badge/github.com/nikolaydubina/aws-s3-reader)](https://goreportcard.com/report/github.com/nikolaydubina/aws-s3-reader)
+
 Efficient reader for large S3 files.
 
 * `Seek()` via `Byte-Range` HTTP offsets[^1][^2]
 * zero-memory copy
 * early HTTP Body termination
 
+#### Related Work
+
+* https://github.com/yacchi/s3-fast-reader — provides `io.Reader` interface, focuses on connection pool and parallelism, uses mocks for tests
+
 [^1]: https://docs.aws.amazon.com/whitepapers/latest/s3-optimizing-performance-best-practices/use-byte-range-fetches.html
 [^2]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Range_requests