Add File Upload Component

[manishekhawat]

Issue Statement

Create a file upload component with multi file and fileType support

Summary

Create an independent react component with following requirement considerations:

1. Multi File Support controlled via a prop
2. All files supported by default. The type can be overridden using a prop by the component using it.
3. Option to display file names above it with sizes.
4. Optional Drag and drop functionality

Sample Screenshot

[manishekhawat]

This is already implemented now, here : https://github.com/pagesource/atomic-react-components/blob/develop/lib/components/molecules/Form/FieldFileInput/FieldFileInput.js Closing this ticket.