add readme and release 1.0.0

Author: yuhao-su

Cargo.lock

@@ -1,8 +1,15 @@
 [package]
 name = "aws-msk-iam-sasl-signer"
-version = "0.1.0"
+version = "1.0.0"
 edition = "2021"
 license = "Apache-2.0"
+authors = ["Yuhao Su<yuhaosu@outlook.com>"]
+description = "AWS MSK IAM SASL Signer"
+repository = "https://github.com/yuhao-su/aws-msk-iam-sasl-signer-rs"
+homepage = "https://github.com/yuhao-su/aws-msk-iam-sasl-signer-rs"
+readme = "README.md"
+keywords = ["aws", "msk", "kafka", "sasl", "iam"]
+categories = ["authentication"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]

Cargo.toml

@@ -0,0 +1,19 @@
+# AWS MSK IAM SASL Signer for Go
+
+[![CI status](https://github.com/yuhao-su/aws-msk-iam-sasl-signer-rs/actions/workflows/ci.yaml/badge.svg?branch=main)](https://github.com/yuhao-su/aws-msk-iam-sasl-signer-rs/actions/workflows/ci.yaml)
+[![Apache V2 License](https://img.shields.io/badge/license-Apache%20V2-blue.svg)](./LICENSE)
+
+`aws-msk-iam-sasl-signer-rs` is a AWS MSK IAM SASL signer for Rust. It is a port of the [aws-msk-iam-sasl-signer-go](https://github.com/aws/aws-msk-iam-sasl-signer-go).
+
+## Usage
+add the following to your `Cargo.toml`:
+```toml
+[dependencies]
+aws-msk-iam-sasl-signer = "1.0.0"
+```
+
+## Example
+check the [producer example](./examples/consumer.rs) and [consumer example](./examples/producer.rs) for more details.
+
+## License
+This library is licensed under the [Apache 2.0 License](./LICENSE).