RBR-4 The system shall display vocabulary based off user learning experience

[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 game selection screen of the application When vocabulary words are about to be presented to me Then I should be presented with some vocabulary words I have seen before and others which are new