Add Favorites List

[tanjera]

Press star or use a long press to mark a list item as favorite

Organize the favorites list by category of drug Rhythm procedure or events

Add to each data model for events and procedures Etc Boolean value of whether they're favorited. Each file with each class will need to have a function for formatting the widgets appropriately based on category such as drug rhythm or events or procedure

List of buttons on the main stopwatch screen will need to be broken into two columns to make room for all four buttons of rugs events procedures rhythms and favorites