Use inter variable

Author: handotdev

docs.json

@@ -14,11 +14,13 @@
   "fonts": {
     "body": {
       "family": "Inter Variable",
-      "source": "https://cdn.prod.website-files.com/66cc2bd703ccf308a49a6188/66eb0db5442209acc668e8ef_InterVariable.ttf"
+      "source": "https://rsms.me/inter/font-files/InterVariable.woff2?v=4.0",
+      "format": "woff2"
     },
     "heading": {
       "family": "Inter Variable",
-      "source": "https://cdn.prod.website-files.com/66cc2bd703ccf308a49a6188/66eb0db5442209acc668e8ef_InterVariable.ttf"
+      "source": "https://rsms.me/inter/font-files/InterVariable.woff2?v=4.0",
+      "format": "woff2"
     }
   },
   "navigation": {