Consolidate/add castle-rock derived cameras

layers/dot-cams/index.js

@@ -1,22 +1,15 @@
-import mn from './mn/layer.js';
 import wi from './wi/layer.js';
-import ia from './ia/layer.js';
+
+import castlerocklayers from './castle-rock/index.js';
 
 const dot_cams = {
     name: "State DOT Cameras",
     layers: [
-        {
-            name: "MNDOT/511MN",
-            layer: mn,
-        },
+        ...castlerocklayers,
         {
             name: "WisDOT/511WI",
             layer: wi,
         },
-        {
-            name: "Iowa DOT/511IA",
-            layer: ia,
-        },
     ],
     details: `<a href="#" onclick="this.closest('details').querySelectorAll('ul li input').forEach(e => e.checked || e.click()); return false;">Enable All</a>`,
 };