Merge preliminary work on layer selection

Customizations/Layouts/WalkByBrussels.ts

@@ -0,0 +1,29 @@
+import { Layout } from "../Layout";
+import { DrinkingWaterLayer } from "../Layers/DrinkingWater";
+import { NatureReserves } from "../Layers/NatureReserves";
+import { Park } from "../Layers/Park";
+import { BikeParkings } from "../Layers/BikeParkings";
+
+export class WalkByBrussels extends Layout {
+    constructor() {
+        super("walkbybrussels",
+            "Drinking Water Spots",
+            [new DrinkingWaterLayer(), new BikeParkings(), new Park(), new NatureReserves()],
+            10,
+            50.8435,
+            4.3688,
+
+
+            "        <h3>Drinking water</h3>\n" +
+            "\n" +
+            "<p>" +
+            "Help with creating a map of drinking water points!"
+
+            ,
+            "  <p>Start by <a href=\"https://www.openstreetmap.org/user/new\" target=\"_blank\">creating an account\n" +
+            "            </a> or by " +
+            "            <span onclick=\"authOsm()\" class=\"activate-osm-authentication\">logging in</span>.</p>",
+            "Start by clicking a pin and answering the questions");
+    }
+
+}