title: How to query date range in gatsby graphql?
body: <p>So i have this query in graphql. But greater than(gt) and less than(lt) is not a defined field.</p>
  
  <pre><code>query Test {
    allStrapiEvent(filter:{date:{gt:"02/13/2019"}}){
      edges{
        node{
          name
          date(formatString:"MM/DD/YYYY")
        }
      }
    } 
  }
  </code></pre>