docblock added for object clarification

Author: dsentker

README.md

@@ -23,6 +23,7 @@ var_dump($result->getUsabilityScore()); // 100
 ### Result details
 #### Full result
 ```php
+/** @var \PhpInsights\Result\InsightsResult $result */
 foreach($result->getFormattedResults()->getRuleResults() as $rule => $ruleResult) {
 
     /*