Add proofreader for Turkish language

doc/development/i18n/proofreader.md

@@ -116,6 +116,7 @@ are very appreciative of the work done by translators and proofreaders!
 - Turkish
   - Ali Demirtaş - [GitLab](https://gitlab.com/alidemirtas), [CrowdIn](https://crowdin.com/profile/alidemirtas)
   - Rıfat Ünalmış (Rifat Unalmis) - [GitLab](https://gitlab.com/runalmis), [CrowdIn](https://crowdin.com/profile/runalmis)
+  - İsmail Arılık - [GitLab](https://gitlab.com/ismailarilik), [CrowdIn](https://crowdin.com/profile/ismailarilik)
 - Ukrainian
   - Volodymyr Sobotovych - [GitLab](https://gitlab.com/wheleph), [CrowdIn](https://crowdin.com/profile/wheleph)
   - Andrew Vityuk - [GitLab](https://gitlab.com/3_1_3_u), [CrowdIn](https://crowdin.com/profile/andruwa13)