chore: change default app name

ui/core/config/environment.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const APP_NAME = process.env.APP_NAME || 'Application Name';
+const APP_NAME = process.env.APP_NAME || 'Boundary';
 const API_HOST = process.env.API_HOST || '';
 
 module.exports = function (environment) {