feat(legacy): move session store to database (#2523)

legacy/application/models/airtime/Sessions.php

@@ -0,0 +1,12 @@
+<?php
+
+/**
+ * Skeleton subclass for representing a row from the 'sessions' table.
+ *
+ * You should add additional methods to this class to meet the
+ * application requirements.  This class will only be generated as
+ * long as it does not already exist in the output directory.
+ */
+class Sessions extends BaseSessions
+{
+}