Fixed more input accessibility issues, also

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

src/components/FieldCheckbox.jsx

@@ -1,34 +1,20 @@
 import React from 'react'
 import PropTypes from 'prop-types'
+import Block from './Block'
+import InputCheckbox from './InputCheckbox'
+
 
 export default class FieldCheckbox extends React.Component {
   static propTypes = {
-    value: PropTypes.bool,
-    style: PropTypes.object,
-    onChange: PropTypes.func,
-  }
-
-  static defaultProps = {
-    value: false,
+    ...InputCheckbox.propTypes,
   }
 
   render() {
-    return <label className="maputnik-checkbox-wrapper">
-      <input
-        className="maputnik-checkbox"
-        type="checkbox"
-        style={this.props.style}
-        onChange={e => this.props.onChange(!this.props.value)}
-        checked={this.props.value}
-      />
-      <div className="maputnik-checkbox-box">
-        <svg style={{
-            display: this.props.value ? 'inline' : 'none'
-          }} className="maputnik-checkbox-icon" viewBox='0 0 32 32'>
-          <path d='M1 14 L5 10 L13 18 L27 4 L31 8 L13 26 z' />
-        </svg>
-      </div>
-    </label>
+    const {props} = this;
+
+    return <Block label={this.props.label}>
+      <InputCheckbox {...props} />
+    </Block>
   }
 }