RFC Create a recipe for Google mailer transport

Author: bocharsky-bw

symfony/google-mailer/4.3/manifest.json

@@ -0,0 +1,8 @@
+{
+    "env": {
+        "#1": "Gmail SHOULD NOT be used on production, use it in development only.",
+        "#2": "GMAIL_USERNAME=",
+        "#3": "GMAIL_PASSWORD=",
+        "#4": "MAILER_DSN=smtp://$GMAIL_USERNAME:$GMAIL_PASSWORD@google"
+    }
+}