InsertMedia and EjectMedia actions added to VirtualMedia schema

As continuation for VirtualMedia Redfish support, this patch adds
insertion and eject actions into existing VirtualMedia code base.

Testing:
* Manual tests together with nbd proxy and virtual media app
  - For requests: Postman and/or HTTPie, with logs enabled and Valgrind)
  - Manual result validation
* Tests run:
  - GET on collection with manual validation
  - PUT/POST/DELETE on collection
  - GET on item/nonexistent item
  - PUT/POST/DELETE on item
  - GET/PUT/DELETE on action
  - POST on action - EjectMedia/InsertMedia, legacy mode
  - POST on action - InsertMedia, proxy mode
  - POST on action - input validation (empty, invalid URL), legacy mode
* Redfish Service Validator tested, no new issues found.

Change-Id: Icccc433c1e84bc2ac37d9c295fe72749187fb735
Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com>
diff --git a/redfish-core/include/redfish.hpp b/redfish-core/include/redfish.hpp
index c498a19..b1fd820 100644
--- a/redfish-core/include/redfish.hpp
+++ b/redfish-core/include/redfish.hpp
@@ -130,6 +130,9 @@
 #ifdef BMCWEB_ENABLE_VM_NBDPROXY
         nodes.emplace_back(std::make_unique<VirtualMedia>(app));
         nodes.emplace_back(std::make_unique<VirtualMediaCollection>(app));
+        nodes.emplace_back(
+            std::make_unique<VirtualMediaActionInsertMedia>(app));
+        nodes.emplace_back(std::make_unique<VirtualMediaActionEjectMedia>(app));
 #endif // BMCWEB_ENABLE_VM_NBDPROXY
 #ifdef BMCWEB_ENABLE_REDFISH_DBUS_LOG_ENTRIES
         nodes.emplace_back(std::make_unique<DBusLogServiceActionsClear>(app));