GUI improvement to Typing Speed Test 1

[ayushlostvolts]

Describe your changes (Mandatory)

• Improved the GUI including the color scheme and the alignments of the buttons and the boxes.
• Added a new window for displaying the Result of the Typing Speed Test.

Issue ticket number and link (Mandatory)

Screenshots of your project output, whatever you have added. (Mandatory)

Checklist before requesting a review

• I have performed a self-review of my code
• If it is a new project, I have done thorough tests.
• Have you updated the README file of the repository and added the name of the project in it?
• Have you added a README.md file inside the directory of your project and explained it there properly (with images)?