chore: update readme (#41)

README.md

@@ -13,15 +13,17 @@ Language.
 
 ## Quickstart
 
-You can add Integraal to your project by adding this to its manifest:
+You can add `integraal` as a dependency of your project by adding the following lines to its Cargo.toml:
 
 ```toml
-# in the Cargo.toml
-
-[dependencies]
-# other deps...
+# [dependencies]
 integraal = { version = "*" }
 ```
+or by running:
+
+```sh
+cargo add integraal
+```
 
 The Rust Doc is available for usage instructions, examples are provided with the source code / in the repository.
 
@@ -47,4 +49,4 @@ The [SPDX](https://spdx.dev) license identifier for this project is `MIT OR Apac
 
 Unless you explicitly state otherwise, any contribution intentionally submitted
 for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
-dual licensed as above, without any additional terms or conditions.
+dual licensed as above, without any additional terms or conditions.