Add META tag to support Google search console validation
RELNOTES: none
<!-- metadata -->
<meta name="og:title" content="{{ page.title }}"/>
<meta name="og:image" content="/images/bazel-og-image.png"/>
+
+ <!-- google search console verification -->
+ <meta name="google-site-verification" content="ftWLOiP2hnDW4Cw3LUGEaXU83RVIpiyxwaXFFhoakzs" />
</head>
