Fixed more input accessibility issues, also

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

stories/FieldUrl.stories.js

@@ -17,6 +17,7 @@ export const Valid = () => {
   return (
     <Wrapper>
       <FieldUrl
+        label="Foobar"
         value={value}
         onChange={setValue}
         onInput={setValue}
@@ -31,6 +32,7 @@ export const Invalid = () => {
   return (
     <Wrapper>
       <FieldUrl
+        label="Foobar"
         value={value}
         onChange={setValue}
         onInput={setValue}