Fixed syntax error in Russian translations (#3319)
Fixed syntax error in Russian translations (#3319)

Comma was missing before the last item
This caused a crash during the documentation build
File "..\Python\Python310\lib\site-packages\material\partials\languages\ru.html", line 36, in template jinja2.exceptions.TemplateSyntaxError: expected token ':', got ','
squidfunk/mkdocs-material,squidfunk/mkdocs-material,squidfunk/mkdocs-material,squidfunk/mkdocs-material