ISTWCMS-4786: adding modules requried for sendgrid

composer.json

@@ -70,6 +70,7 @@
         "drupal/leaflet": "2.1.2",
         "drupal/libraries": "3.0-beta1",
         "drupal/linkit": "dev-6.0.0-beta1-uw_wcms1",
+        "drupal/mailsystem": "4.3",
         "drupal/markup": "1.0-beta3",
         "drupal/maxlength": "1.0-rc1",
         "drupal/media_embed_extra": "1.0.0-beta1",
@@ -91,6 +92,7 @@
         "drupal/roleassign": "1.0-beta1",
         "drupal/samlauth": "dev-3.0-alpha1-uw_wcms3",
         "drupal/schema_metatag": "1.8",
+        "drupal/sendgrid_integration": "2.0-alpha4",
         "drupal/simplesamlphp_auth": "3.2",
         "drupal/simplesamlphp_custom_attributes": "dev-8.x-1.x-mnshantz-ef9d6a4-uw-wcms",
         "drupal/simplify_menu": "2.0",
@@ -113,6 +115,7 @@
         "drupal/views_taxonomy_term_name_into_id": "dev-1.0-alpha3-uw_wcms1",
         "drupal/webform": "5.25",
         "drupal/workbench_access": "1.0-beta4",
+        "fastglass/sendgrid": ">=2.0.0",
         "fileeye/mimemap": "^1.1",
         "libraries/ckeditor-clipboard": "4.15.1",
         "libraries/ckeditor-dialog": "4.15.1",