docs: fixed whitespace problem with snippet

Author: craiglabenz

firestore/main/index.js

@@ -1,17 +1,17 @@
 const debug = require('debug')('firestore-snippets-node');
 
 // [START firestore_deps]
-// [START firestore_setup_client_create]
 const admin = require('firebase-admin');
 // [END firestore_deps]
-// [END firestore_setup_client_create]
 
 
 // We supress these logs when not in NODE_ENV=debug for cleaner Mocha output
 const console = {log: debug};
 
 async function initializeAppWithProjectId() {
 // [START firestore_setup_client_create]
+const admin = require('firebase-admin');
+
 admin.initializeApp({
 // The `projectId` parameter is optional and represents which project the
 // client will act on behalf of. If not supplied, it falls back to the default