update ramp lib using npm package

Author: dnlnashed

public/index.html

@@ -14,7 +14,7 @@
         <link rel="stylesheet" href="<%= BASE_URL %>draw.css" />
         <script src="<%= BASE_URL %>draw.js"></script>
 
-        <link rel="stylesheet" href="<%= BASE_URL %>styles/ramp.css" />
+        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ramp-pcar/dist/esDynamic/ramp.css" />
 
         <script
             type="text/javascript"
@@ -41,9 +41,9 @@
             type="text/javascript"
             src="<%= BASE_URL %>js/rv-main.js"
         ></script>
-        <script
-            type="text/javascript"
-            src="<%= BASE_URL %>js/ramp.js"
-        ></script>
+        <script type="module">
+            import * as R4 from 'https://cdn.jsdelivr.net/npm/ramp-pcar/dist/esDynamic/ramp.js';
+            window.RAMP4 = R4;
+        </script>
     </body>
 </html>