Fixed more input accessibility issues, also

- Added searchParams based router for easier testing
 - Added more stories to the storybook

stories/LayerListItem.stories.js

@@ -0,0 +1,58 @@
+import React from 'react';
+import LayerList from '../src/components/LayerList';
+import {action} from '@storybook/addon-actions';
+import {Wrapper} from './ui';
+import {withA11y} from '@storybook/addon-a11y';
+
+
+export default {
+  title: 'LayerList',
+  component: LayerList,
+  decorators: [withA11y],
+};
+
+export const Basic = () => (
+  <Wrapper>
+    <div style={{width: "200px"}}>
+      <LayerList
+        layers={[
+          {
+            id: "background",
+            type: "background",
+          },
+          {
+            id: "water",
+            type: "fill",
+            source: "openmaptiles"
+          },
+          {
+            id: "road_trunk",
+            type: "line",
+            source: "openmaptiles"
+          },
+          {
+            id: "road_minor",
+            type: "line",
+            source: "openmaptiles"
+          },
+          {
+            id: "building",
+            type: "fill",
+            source: "openmaptiles"
+          },
+        ]}
+        selectedLayerIndex={0}
+        onLayersChange={() => {}}
+        onLayerSelect={() => {}}
+        onLayerDestroy={() => {}}
+        onLayerCopy={() => {}}
+        onLayerVisibilityToggle={() => {}}
+        onMoveLayer={() => {}}
+        sources={{}}
+        errors={[]}
+      />
+    </div>
+  </Wrapper>
+);
+
+