+ yandex verification metatag

src/templates/main.html

@@ -4,6 +4,7 @@
     <meta name="fragment" content="!">
     <meta name="google-site-verification" content="8BxOTw-Q02DS2KAdcGcnIMwiPZ58DVB18XpOfRibCcg">
     <meta name="google-site-verification" content="A-TEemUw4hHpULUDCd6xhxfHnyRbgKtss90JGKXnSpw" />
+    <meta name='yandex-verification' content='643c7dac144b9dac' />
     <meta name="msvalidate.01" content="E878301FE3E3F12D233A6B1156889601" />
     <meta name="viewport" content="width=device-width, maximum-scale=1.0" />
     <meta name="referrer" content="unsafe-url">