Basic Functionality Enhancements

[meganrenae21]

Add functionality to app to include:

• ability to delete lists
• ability to delete cards
• ability to save cards as copies (rather than overriding)

Tasks

• [x] Create test branch "basic-functionality-enhancements" 2021.08.23
• [x] Add deleting list function to test branch "basic-functionality-enhancements" 2021.08.23
• [x] Add deleting card function to test branch "basic-functionality-enhancements" 2021.08.24
• [x] Add saving cards as copies to test branch "basic-functionality-enhancements" 2021.08.24
• [x] Edit readme
• [x] Create PR and merge test branch to develop branch

[meganrenae21]

Completed -- develop branch at v0.2.1