Updated laravel.md
Updated laravel.md

Updated Laravel Framework Integration for Laravel 5.5 LTS! Reference issue #2875
hardikjain29/docs,Aonepathan/docs,katieporter/docs,ksigler7/docs,Aonepathan/docs,hardikjain29/docs,katieporter/docs,sendgrid/docs,ksigler7/docs,katieporter/docs,katieporter/docs,Aonepathan/docs,hardikjain29/docs,ksigler7/docs,Whatthefoxsays/docs,Aonepathan/docs,hardikjain29/docs,Whatthefoxsays/docs,Aonepathan/docs,sendgrid/docs,hardikjain29/docs,katieporter/docs,Whatthefoxsays/docs,sendgrid/docs