Added migration for adding initial admins

server/migrations/20171225143838-set-admins.js

@@ -0,0 +1,23 @@
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    const [teams, metaData] = await queryInterface.sequelize.query(`SELECT * FROM teams`);
+    const teamIds = teams.map(team => team.id);
+    await Promise.all(teamIds.map(async teamId => {
+      await queryInterface.sequelize.query(`
+        update users
+        set "isAdmin" = true
+        where id in (
+          select id
+          from users
+          where "teamId" = '${teamId}'
+          order by "createdAt" asc
+          limit 1
+        );
+      `);
+    }));
+  },
+
+  down: async (queryInterface, Sequelize) => {
+    // no-op
+  },
+};