RBR-9 The system shall allow the user to select the game difficulty

[Volstn42]

• [x] Develop User Interface Elements
• [x] Develop Source Code
• [x] Document Source Code
• [x] Review Source Code
• [x] Pass Unit evaluations
• [x] Pass User Acceptance criteria
• [x] Source code is merged into main branch

Acceptance Criteria: Given I am on the settings panel of the application When I select the change difficulty option Then I am able to select a new difficulty option that will take effect in the learning game