Add OperationContainer component

src/core/presets/base.js

@@ -12,6 +12,8 @@ import SplitPaneModePlugin from "core/plugins/split-pane-mode"
 import downloadUrlPlugin from "core/plugins/download-url"
 import deepLinkingPlugin from "core/plugins/deep-linking"
 
+import OperationContainer from "core/containers/OperationContainer"
+
 import App from "core/components/app"
 import AuthorizationPopup from "core/components/auth/authorization-popup"
 import AuthorizeBtn from "core/components/auth/authorize-btn"
@@ -107,7 +109,8 @@ export default function() {
       TryItOutButton,
       Markdown,
       BaseLayout,
-      VersionStamp
+      VersionStamp,
+      OperationContainer
     }
   }