CovalentFileModule missing @NgModule annotation in 1.0.0-rc.3

[galtalmor]

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Bug

Bug Report

Screenshots or link to CodePen/Plunker/JSfiddle

This is what happens when I run ng build --prod. Which worked just fine with Covalent 1.0.0-rc.1, but once I upgrade to Covalent 1.0.0-rc.3 it stops working.

What is the expected behavior?

Successful build when using CovalentFileModule

What is the motivation / use case for changing the behavior?

Successful build when using CovalentFileModule

Which version of Angular and Material, and which browser and OS does this issue affect?

Angular 5.2.1
Material 5.1.0
Win 10
Chrome 63

Did this work in previous versions of Angular / Material?
It worked with older version of Covalent (1.0.0-rc.1).
Doesn't work with and version of Angular/Material with Covalent 1.0.0-rc.3

Other information

I tried both importing CovalentFileModule from @covalent/core and @covalent/core/file. Same result.
I suppose someone just removed/forgot to put @ngModule by mistake.

[emoralesb05]

Closing since its a dupe of #1099

We will track the progress in the other one

[galtalmor]

Sorry, it didn't show up when I searched for the issue. Thanks.