Added tracing config

Author: Hamid Tavakoli

config/default.js

@@ -48,5 +48,8 @@ module.exports = {
   API_CONTEXT_PATH: process.env.API_CONTEXT_PATH || '/v5/email',
 
   PAYLOAD_SENDGRID_TEMPLATE_KEY: process.env.PAYLOAD_SENDGRID_TEMPLATE_KEY || 'sendgrid_template_id',
-
+  //Tracing information
+  APM_OTLP_TRACE_EXPORTER_URL: process.env.APM_OTLP_TRACE_EXPORTER_URL || '',
+  APM_SERVICE_NAME: process.env.APM_SERVICE_NAME || 'tc-email-service',
+  APM_TRACER_NAME: process.env.APM_TRACER_NAME || 'tc-email-service',
 };