added afternoon session to site 4

Author: Jon Roobottom

app/data/site4.config.js

@@ -6,6 +6,13 @@ const baseSessions = [
     services: ['COVID:18+', 'FLU:18-64', 'FLU:65+', 'COVID_FLU:18-64', 'COVID_FLU:65+'],
     slotLength: 10,
     capacity: 1
+  },
+  {
+    from: '13:00',
+    until: '17:00',
+    services: ['COVID:18+', 'FLU:18-64', 'FLU:65+', 'COVID_FLU:18-64', 'COVID_FLU:65+'],
+    slotLength: 10,
+    capacity: 1
   }
 ];