Vendor Vanta.js, three.js, suncalc locally for offline operation

index.html

@@ -15,7 +15,7 @@
         })();
     </script>
     <link id="theme-css" rel="stylesheet" href="ash.css">
-    <script src="https://cdn.jsdelivr.net/npm/suncalc@1.9.0/suncalc.js"></script>
+    <script src="vendor/suncalc.js"></script>
     <style>
         html, body { margin: 0; padding: 0; overflow: hidden; width: 100%; height: 100%; font-family: monospace; }
         #vanta { width: 100vw; height: 100vh; position: fixed; top: 0; left: 0; }
@@ -456,8 +456,9 @@
         <div id="weather-current" class="weather-current"></div>
         <div id="weather-forecast" class="weather-forecast"></div>
     </div>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/vanta@latest/dist/vanta.clouds2.min.js"></script>
+    <script src="vendor/three.min.js"></script>
+    <script src="vendor/vanta.clouds.min.js"></script>
+    <script src="vendor/vanta.clouds2.min.js"></script>
     <script>
 var effect = (VANTA.CLOUDS2 || VANTA.CLOUDS)({
             el: "#vanta",