Extract grid cap count to own file

Public/count.js

@@ -0,0 +1 @@
+const numberOfCaps = 1875;

Public/grid.html

@@ -30,5 +30,6 @@
             <div id="selected-cap-circle"></div>
         </div>
     </body>
+    <script src="count.js"></script>
     <script src="grid.js?v=2"></script>
 </html>

Public/grid.js

@@ -1,7 +1,6 @@
 const capImageSize = 50;
 const halfCapImageSize = capImageSize / 2;
 
-const numberOfCaps = 1875;
 const numberOfColumns = 40;
 
 const numberOfRows = Math.ceil(numberOfCaps / numberOfColumns);