Show the team number currently being data scouted

At least for myself, when using the app, I can't remember which team I
decided to click on. This should hopefully help with remembering which
robot you're scouting.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I31d521cf15fe3a1b2a08832775d7b0090cd2ae73
diff --git a/scouting/www/entry/entry.ng.html b/scouting/www/entry/entry.ng.html
index e304f2a..1872636 100644
--- a/scouting/www/entry/entry.ng.html
+++ b/scouting/www/entry/entry.ng.html
@@ -1,5 +1,8 @@
 <div class="header" #header>
-  <h2>{{section}}</h2>
+  <h2>
+    <span *ngIf="section != 'Team Selection'">{{teamNumber}}</span>
+    {{section}}
+  </h2>
 </div>
 <ng-container [ngSwitch]="section">
   <div