Add install instructions

README.md

@@ -16,3 +16,32 @@ of bytes (NULL bytes, printable ASCII characters, ASCII whitespace characters, o
 ![](https://i.imgur.com/ln3TniI.png)
 
 ![](https://i.imgur.com/f8nm8g6.png)
+
+## Installation
+
+### On Debian-based systems
+
+``` bash
+wget "https://github.com/sharkdp/hexyl/releases/download/v0.2.0/hexyl_0.2.0_amd64.deb"
+sudo dpkg -i hexyl_0.2.0_amd64.deb
+```
+
+### On other distrubutions
+
+Check out the [release page](https://github.com/sharkdp/hexyl/releases) for binary builds.
+
+### Via cargo
+
+If you have Rust 1.29 or higher, you can install `hexyl` from source via `cargo`:
+```
+cargo install hexyl
+```
+
+## License
+
+Licensed under either of
+
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+
+at your option.