fix: add missing font variant (#1999)

Author: aeneasr

docusaurus.config.ts

@@ -285,18 +285,20 @@ const config: Config = {
         href: "/docs/fonts/fonts.css",
       },
     },
-    ...["InterVariable.woff2?v=4.0", "JetBrainsMono-Regular.woff2"].map(
-      (font: string) => ({
-        tagName: "link",
-        attributes: {
-          rel: "preload",
-          type: "font/woff2",
-          as: "font",
-          crossOrigin: "anonymous",
-          href: `/docs/fonts/${font.includes("Inter") ? "Inter" : "JetBrainsMono"}/${font}`,
-        },
-      }),
-    ),
+    ...[
+      "InterVariable.woff2?v=4.0",
+      "JetBrainsMono-Regular.woff2",
+      "JetBrainsMono-Italic.woff2",
+    ].map((font: string) => ({
+      tagName: "link",
+      attributes: {
+        rel: "preload",
+        type: "font/woff2",
+        as: "font",
+        crossOrigin: "anonymous",
+        href: `/docs/fonts/${font.includes("Inter") ? "Inter" : "JetBrainsMono"}/${font}`,
+      },
+    })),
   ],
   scripts: [
     // Needed as a workaround for https://answers.netlify.com/t/trailing-slash-missing-on-proxied-netlify-site/36367