Added end button to submission notice

public/_locales/en/messages.json

@@ -531,5 +531,8 @@
     },
     "moreCategories": {
         "message": "More Categories"
+    },
+    "bracketEnd": {
+        "message": "(End)"
     }
 }

src/components/SponsorTimeEditComponent.tsx

@@ -133,6 +133,12 @@ class SponsorTimeEditComponent extends React.Component<SponsorTimeEditProps, Spo
                             onClick={() => this.setTimeToNow(1)}>
                                 {chrome.i18n.getMessage("bracketNow")}
                         </span>
+
+                        <span id={"endButton" + this.idSuffix}
+                            className="sponsorNowButton"
+                            onClick={() => this.setTimeToEnd()}>
+                                {chrome.i18n.getMessage("bracketEnd")}
+                        </span>
                 </div>
             );
         } else {
@@ -230,10 +236,18 @@ class SponsorTimeEditComponent extends React.Component<SponsorTimeEditProps, Spo
     }
 
     setTimeToNow(index: number) {
+        this.setTimeTo(index, this.props.contentContainer().v.currentTime);
+    }
+
+    setTimeToEnd() {
+        this.setTimeTo(1, this.props.contentContainer().v.duration);
+    }
+
+    setTimeTo(index: number, time: number) {
         let sponsorTime = this.props.contentContainer().sponsorTimesSubmitting[this.props.index];
 
         sponsorTime.segment[index] = 
-            this.props.contentContainer().v.currentTime;
+            time;
 
         this.setState({
             sponsorTimeEdits: this.getFormattedSponsorTimesEdits(sponsorTime)