Merge pull request #1277 from OskarStark/seven-io

Add `symfony/sevenio-notifier`

Author: fabpot

symfony/sevenio-notifier/7.1/manifest.json

@@ -0,0 +1,5 @@
+{
+    "env": {
+        "#1": "SEVENIO_DSN=sevenio://API_KEY@default?from=FROM"
+    }
+}