Add total fixed in Json Formatter

Author: Jibbarth

schema.json

@@ -67,6 +67,10 @@
                 "security issues": {
                     "type": "integer",
                     "minimum": 0
+                },
+                "fixed issues": {
+                    "type": "integer",
+                    "minimum": 0
                 }
             }
         },

src/Application/Console/Formatters/Json.php

@@ -48,8 +48,10 @@ public function format(
                 'architecture' => $results->getStructure(),
                 'style' => $results->getStyle(),
                 'security issues' => $results->getTotalSecurityIssues(),
+                'fixed issues' => $results->getTotalFix(),
             ],
         ];
+
         $data += $this->issues($insightCollection, $metrics);
 
         $json = json_encode($data);