Fluent Interface for New Notifications

[jacurtis]

It would be cool to have a fluent interface to allow you to generate new notifications. Once again, like eloquent or something like that.

Example

LaraFlash::new()->title('Error: ')->content('The Database Encountered a Problem!')->type('danger')->priority(10);

Chainable Commands

1. new() - to generate a new notification
2. title() - to set the title property
3. content() - to set the content property
4. type() - to set the type property
5. priority() - to set the priority property

[jacurtis]

Resolved in b133729