Update index.md (#524)

Typo "mind assets" -> "mint assets"

Signed-off-by: Mathieu Legrand <44833388+Tieumsan@users.noreply.github.com>

Author: Tieumsan

src/guide/tutorials/index.md

@@ -28,7 +28,7 @@ We invite you to follow the tutorial in this order:
    [the differences](/get-started/iroha-2.md) between the two versions of Iroha.
 1. [Install Iroha 2](/get-started/install-iroha-2.md).
 2. Follow one of the language-specific guides to learn how to set up and
-   configure Iroha 2, register a domain and an account, register and mind
+   configure Iroha 2, register a domain and an account, register and mint
    assets, and visualize outputs:
    - [Python](/guide/tutorials/python.md)
    - [Rust](/guide/tutorials/rust.md)