Set permission to generated swagger file

[rizkiheryandi]

Is your feature request related to a problem? Please describe.
Error on swagger feature because permission denied (755)

Describe the solution you'd like
Set permission to 775 while swagger generated
ref :

• https://www.w3schools.com/php/func_filesystem_chmod.asp

Describe alternatives you've considered
If it doesn't works, next we can use ACL mode
ref :

• https://github.com/deployphp/deployer/blob/master/recipe/deploy/writable.php
• https://www.youtube.com/watch?v=0KbP-yHSvVI