fix: finalize confirmed Hanmac orange palette steps

themes/default.json

@@ -79,6 +79,8 @@
     "color.palette.orange-light-3": "#ec8f53",
     "color.palette.orange-light-2": "#f87725",
     "color.palette.orange-light-1": "#eb5f00",
+    "color.palette.orange-dark-1": "#bc4c00",
+    "color.palette.orange-dark-2": "#883700",
     "color.palette.orange-dark-3": "#4f2000"
   }
 }