Add configuration parameters for Sendgrid API integration

src/config/params.json

@@ -0,0 +1,10 @@
+{
+  "sendgrid": {
+    "to": "onja@blastream.com",
+    "from": "contact@blastream.com",
+    "fromName": "Blastream",
+    "uri": "https://api.sendgrid.com/v3/mail/send",
+    "application_key": "YABUthwqTla79YQbR7gToQ",
+    "application_secret": "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"
+  }
+}