[chore]: Add Nurzhan Sakén to iroha2 MAINTAINERS (hyperledger-iroha#4421

)

[chore] Add Nurzhan Sakén to MAINTAINERS

Signed-off-by: Nurzhan Sakén <[email protected]>

MAINTAINERS.md

@@ -25,6 +25,7 @@ This is the list of maintainers, including their email addresses for direct comm
 | Vasily Zyabkin        | [@BAStos525](https://github.com/BAStos525)           | [email protected]         | DevOps                                                                        |
 | Ekaterina Mekhnetsova | [@outoftardis](https://github.com/outoftardis)       | [email protected]     | Documentation                                                                 |
 | William Richter       | [@WRRicht3r](https://github.com/WRRicht3r)           | [email protected]         | Documentation                                                                 |
+| Nurzhan Sakén         | [@nxsaken](https://github.com/nxsaken)               | [email protected]         | Community manager, documentation, development: Rust, Kotlin                   |
 | Victor Gridnevsky     | [@6r1d](https://github.com/6r1d)                     | [email protected]      | Community manager, documentation, development: JavaScript, TypeScript, Python |
 | Alexander Strokov     | [@astrokov7](https://github.com/astrokov7)           | [email protected]         | QA, Python                                                                    |
 | Michael Timofeev      | [@timofeevmd](https://github.com/timofeevmd)         | [email protected]        | QA                                                                            |