AP_DDS: Pre arm Check - Trigger idl file

libraries/AP_DDS/Idl/std_srvs/srv/Trigger.idl

@@ -0,0 +1,21 @@
+// generated from rosidl_adapter/resource/srv.idl.em
+// with input from std_srvs/srv/Trigger.srv
+// generated code does not contain a copyright notice
+
+
+module std_srvs {
+  module srv {
+    struct Trigger_Request {
+      uint8 structure_needs_at_least_one_member;
+    };
+    struct Trigger_Response {
+      @verbatim (language="comment", text=
+        "indicate successful run of triggered service")
+      boolean success;
+
+      @verbatim (language="comment", text=
+        "informational, e.g. for error messages")
+      string message;
+    };
+  };
+};