Add ml_core_internal_access_token for pvt repo template (#3917)

* Add ml_core_internal_access_token for pvt repo template

* Update common.yml

private_repo/ansible/inventory/dev/Core/common.yml

@@ -515,6 +515,10 @@ sunbird_kong_device_register_anonymous: 'true'  # enables anonymous sessions
 sunbird_session_store_type: redis  # uses redis for session data instead of cassandra
 portal_redis_connection_string: "redis://:@{{ sunbird_redis_host }}:6379/3"  # Uses KP redis and DB number 3 to store session data
 
+#### ML Core Service #####
+#Secure token to access Admin-related APIs.The value of the internal access token can be generated by command - "openssl rand -hex 10"
+ml_core_internal_access_token: 8c3a94f0934e01a4940a # THIS IS A REFERENCE VALUE ONLY.
+
 #### ML Analytics Service #####
 ml_analytics_cname_url: # Reference value - https://obj.dev.sunbirded.org/samiksha/