Website: Update Fleet website's body parser limit (#11701)

Closes: #11686
Changes:
- Updated `website/config/http.js` to increase the `limit` of the Fleet
website's body-parser to 1mb (from the default 100kb) to support Fleet
instances sending usage analytics with large amounts of JSON.

website/config/http.js

@@ -49,11 +49,23 @@ module.exports.http = {
     *                                                                          *
     ***************************************************************************/
 
-    // bodyParser: (function _configureBodyParser(){
-    //   var skipper = require('skipper');
-    //   var middlewareFn = skipper({ strict: true });
-    //   return middlewareFn;
-    // })(),
+    bodyParser: (function _configureBodyParser(){
+      var skipper = require('skipper');
+      var middlewareFn = skipper({
+        strict: true,
+        limit: '1MB',// [?] https://github.com/expressjs/body-parser/tree/ee91374eae1555af679550b1d2fb5697d9924109#limit-1
+        onBodyParserError: (err, req, res)=>{
+          // If an error occurs while parsing an incoming request body, we'll return a badRequest response if error.statusCode is between 400-500
+          if (_.isNumber(err.statusCode) && err.statusCode >= 400 && err.statusCode < 500) {
+            return res.status(400).send(err.message);
+          } else {
+            sails.log.error('Sending 500 ("Server Error") response: \n', err);
+            return res.status(500).send();
+          }
+        }
+      });
+      return middlewareFn;
+    })(),
 
   },