Add support for custom word collections

[maheshj01]

Is your feature request related to a problem? Please describe.
Users should be able to categorize a word in their custom category

Describe the solution you'd like
Every word should have the option to add to the list, where a user has the option to create a custom category

My Lists should be visible on the dashboard

• User should be able to add words to custom collections.
• Collections are stored on the device for each user, uninstalling the app will lose the data logout shouldn't
• Collections introduction for the first time to a new user (or when collections are empty)
• We can have a feature to export/import if required
• Make Lists Collaborative (public) Individual lists are private
• Ability to make custom collections public in the community tab