refactor: avoid automatic execution of app.ts

Move the execution of configureApp to CLI file

Related to #2

src/cli.ts

@@ -15,7 +15,7 @@
  */
 import {Logger} from '@openstapps/logger';
 import * as http from 'http';
-import {app} from './app';
+import {app, configureApp} from './app';
 
 /**
  * Get port from environment and store in Express.
@@ -94,3 +94,11 @@ function onListening() {
     : `port ${addr.port}`;
   Logger.ok(`Listening on ${bind}`);
 }
+
+configureApp()
+  .then(() => {
+    Logger.ok('Sucessfully configured express server');
+  })
+  .catch((err) => {
+    throw err;
+  });