Add Help section and provide instructions for enabling prompt api in browser

[avikalpg]

This pull request enhances the application by adding a new "Help" page and integrating it into the navigation stack. It also includes various improvements and fixes, such as:

• Importing the Help component in App.js and adding it to the navigation stack.
• Adding a Help button in the Header for quick access.
• Removing unnecessary console.log statements in Home.js.
• Updating the color of button helper text in TimeUtilizationSuggestions.js.
• Modifying the prompt and error handling logic for better user feedback in TimeUtilizationSuggestions.js.
• Creating a detailed Help page to guide users on enabling the Prompt API in their browser.