minor symfony#5494 updated tree (OskarStark)

This PR was submitted for the 2.7 branch but it was merged into the 2.3 branch instead (closes symfony#5494). Discussion ---------- updated tree Commits ------- b0527d6 updated tree

Author: wouterj

create_framework/separation-of-concerns.rst

@@ -150,7 +150,8 @@ To sum up, here is the new file layout:
 
  example.com
  ├── composer.json
- │ src
+ ├── composer.lock 
+ ├── src
  │ ├── app.php
  │ └── Simplex
  │ └── Framework.php
@@ -160,6 +161,7 @@ To sum up, here is the new file layout:
  │ └── Model
  │ └── LeapYear.php
  ├── vendor
+ │ └── autoload.php
  └── web
  └── front.php