Update README.md

for System settings and screshot

README.md

@@ -22,7 +22,9 @@ Fixing that led to overriding the search engine.
 Details about the search implementation can be found here: https://jvanek.fedorapeople.org/JenkinsSearch/
 
 The search has its pros and cons.
-It can be enabled/disabled in global settings or temorarily by appending `-X:` to the query.
+It can be enabled/disabled in global/system settings <br>
+![sscreenshot from system settings](https://issues.jenkins.io/secure/attachment/63238/image-2024-09-06-00-17-43-606.png)<br>
+or temorarily by appending `-X:` to the query
 
 The search knows logical operators and can search also in builds via display name/comment and showing build details and statistics.
 This plugin supports customizable saving of search history.