title: How to set date format ( 2018-04-09 10:10:10 ) input in swagger JSON
body: <p>I am currently using below swagger spec for above particular date format </p>
  
  <pre><code>"requestDt": {
                  "title": "requestDt",
                  "description": "requestDt",
                  "pattern":"[0-9]{4}-[0-1][0-9]-[0-3][0-9] [0-2][0-9]:[0-5][0-9]:[0-5][0-9]",
                  "type":"string"
              }
  </code></pre>
  
  <p>it shows in doc page like below</p>
  
  <pre><code>"requestDt": "string"
  </code></pre>
  
  <p>The problem was it showing input in documentation file as a string. How i need to convert this into date so it will be displayed sample date in swagger doc page</p>