Develop an uploader box

Please make a clone and after completing each part make a pull request.

1. Create a box the same as the provided image
2. Each image after uploaded should be added to a list
3. Preview of the uploaded image should be placed in a list item
4. During upload show a progress bar
5. The ability to remove records should be implemented

1. File browser dialogue should only show and select jpeg, jpg, gif or png.
2. The acceptable maximum file size should be 2mg.

1. After removing each image from the list the uploaded image also should be removed from the memory
2. Prevent from fetching while error by defining a properly signal