refactored const default Timeout to Constants file
I've also enhanced the definition of the colors for the snackbar by adding them as an enum in the Constants file. Additionally, I've included SUCCESS and WARNING to ensure that all possible values are available.
Description
I've also enhanced the definition of the colors for the snackbar by adding them as an enum in the Constants file. Additionally, I've included SUCCESS and WARNING to ensure that all possible values are available.
Reference
Issues #75