Global search display total hits

* modify User model to store some session data for searches
* Display total hits in search results

models/users.js

@@ -311,6 +311,33 @@ Users.attachSchema(
       optional: false,
       defaultValue: 'password',
     },
+    sessionData: {
+      /**
+       * profile settings
+       */
+      type: Object,
+      optional: true,
+      // eslint-disable-next-line consistent-return
+      autoValue() {
+        if (this.isInsert && !this.isSet) {
+          return {};
+        }
+      },
+    },
+    'sessionData.totalHits': {
+      /**
+       * Total hits from last search
+       */
+      type: Number,
+      optional: true,
+    },
+    'sessionData.lastHit': {
+      /**
+       * last hit that was returned
+       */
+      type: Number,
+      optional: true,
+    },
   }),
 );