DG: Might be good to add UML diagrams for TTT and Hangman

[nus-pe-bot]

Note from the teaching team: This bug was reported during the Part II (Evaluating Documents) stage of the PE. You may reject this bug if it is not related to the quality of documentation.

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I noticed that there are no UML diagrams for TTT and Hangman. I feel like it would be good to add it in to show how the classes Interact with other classes (i.e Ui class)

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_{[original: nus-cs2113-AY2324S2/pe-interim#2577] [original labels: severity.Low type.DocumentationBug]}

[ttasnim5]

Team's Response

No details provided by team.

Duplicate status (if any):

Duplicate of #300