Added small notice of how many submissions this user has made.

background.js

@@ -131,6 +131,18 @@ function submitTimes(videoID, callback) {
           });
         });
       }
+
+      //add these to the storage log
+      chrome.storage.sync.get(["sponsorTimesContributed"], function(result) {
+        let currentContributionAmount = 0;
+        if (result.sponsorTimesContributed != undefined) {
+          //current contribution amount is known
+          currentContributionAmount = result.sponsorTimesContributed;
+        }
+
+        //save the amount contributed
+        chrome.storage.sync.set({"sponsorTimesContributed": currentContributionAmount + sponsorTimes.length});
+      });
     }
   });
 }