Add plugins to composer

[mitogh]

Steps to reproduce and a minimal demo of the problem

Current behavior
Some plugins missing which we always use

Expected/desired behavior
Add:

"moxie-lean/acf-gravity-forms-select": "*",
"wpackagist-plugin/acf-image-crop-add-on": "*"

And update scripts

"install-wordpress-seo": "cd ./wp-content/plugins/wordpress-seo && composer install",
    "install-gravity-forms-select": "cd ./wp-content/plugins/acf-gravity-forms-select && composer install && composer update",
    "post-install-cmd": "@install-gravity-forms-select && @install-wordpress-seo",
    "post-update-cmd": "@install-gravity-forms-select"

Other information