Use Inter fonts as default

Author: IzumiSy

packages/core/src/assets/theme.css

@@ -24,6 +24,8 @@
  * `shadow-sm` resolve correctly regardless of the active palette.
  */
 @theme inline {
+  --font-sans: "Inter Variable", "Inter", ui-sans-serif, system-ui, sans-serif;
+
   --color-background: var(--background);
   --color-foreground: var(--foreground);
   --color-card: var(--card);