Update mkdocs.yml, add Turkish (Türkçe), ISO 639-1 Code: tr

Author: SergeCroise

mkdocs.yml

@@ -119,6 +119,10 @@ plugins:
           default: false
           locale: sv
           name: Svenska
+        - build: true
+          default: false
+          locale: tr
+          name: Türkçe
         - build: true
           default: false
           locale: pl