Add crates to README

README.md

@@ -18,8 +18,11 @@ Crates have not yet received any formal cryptographic and security reviews.
 | `aes-ctr` | [![crates.io](https://img.shields.io/crates/v/aes-ctr.svg)](https://crates.io/crates/aes-ctr) | [![Documentation](https://docs.rs/aes-ctr/badge.svg)](https://docs.rs/aes-ctr) |
 | `cfb-mode` | [![crates.io](https://img.shields.io/crates/v/cfb-mode.svg)](https://crates.io/crates/cfb-mode) | [![Documentation](https://docs.rs/cfb-mode/badge.svg)](https://docs.rs/cfb-mode) |
 | `cfb8` | [![crates.io](https://img.shields.io/crates/v/cfb8.svg)](https://crates.io/crates/cfb8) | [![Documentation](https://docs.rs/cfb8/badge.svg)](https://docs.rs/cfb8) |
+| `chacha20` | [![crates.io](https://img.shields.io/crates/v/chacha20.svg)](https://crates.io/crates/chacha20) | [![Documentation](https://docs.rs/chacha20/badge.svg)](https://docs.rs/chacha20) |
 | `ctr` | [![crates.io](https://img.shields.io/crates/v/ctr.svg)](https://crates.io/crates/ctr) | [![Documentation](https://docs.rs/ctr/badge.svg)](https://docs.rs/ctr) |
 | `ofb` | [![crates.io](https://img.shields.io/crates/v/ofb.svg)](https://crates.io/crates/ofb) | [![Documentation](https://docs.rs/ofb/badge.svg)](https://docs.rs/ofb) |
+| `salsa20` | [![crates.io](https://img.shields.io/crates/v/salsa20.svg)](https://crates.io/crates/salsa20) | [![Documentation](https://docs.rs/salsa20/badge.svg)](https://docs.rs/salsa20) |
+| `salsa20-core` | [![crates.io](https://img.shields.io/crates/v/salsa20-core.svg)](https://crates.io/crates/salsa20-core) | [![Documentation](https://docs.rs/salsa20-core/badge.svg)](https://docs.rs/salsa20-core) |
 
 
 ### Minimum Rust version