refactor(app): folder structure, components cleanup

src/contexts/NodeIdContext.js

@@ -0,0 +1,9 @@
+import { createContext } from 'react';
+
+export const NodeIdContext = createContext(null);
+export const Provider = NodeIdContext.Provider;
+export const Consumer = NodeIdContext.Consumer;
+
+Provider.displayName = 'NodeIdProvider';
+
+export default NodeIdContext;