add head

docs/theme.config.js

@@ -1,5 +1,6 @@
 import { useConfig } from "nextra-theme-docs";
 import React from "react";
+import { useRouter } from "next/router";
 
 /* eslint sort-keys: error */
 /**
@@ -24,6 +25,26 @@ export default {
       </span>
     ),
   },
+  head: () => {
+    const { asPath, defaultLocale, locale } = useRouter();
+    const { title } = useConfig();
+    const url =
+        "https://starship.cosmology.tech/" +
+        (defaultLocale === locale ? asPath : `/${locale}${asPath}`);
+
+    const _title = asPath !== "/" ? `${title} - Cosmology` : `${title}`;
+    return (
+        <>
+          <meta property="og:url" content={url} />
+          <meta property="og:title" content={_title} />
+          <meta
+              property="og:description"
+              content={"Unified development environment"}
+          />
+          <title>{_title}</title>
+        </>
+    );
+  },
   chat: {
     link: "https://discord.gg/6hy8KQ9aJY",
   },