Fix minor text issues with the Setup Script

[palisadoes]

Describe the bug

1. The some of the setup script prompts need better clarification

To Reproduce
Steps to reproduce the behavior:

1. Run the setup script
2. Note the requested changes below
3. The test code coverage must be maintained.
4. All tests must be valid and pass

Expected behavior

• The suggested changes are applied

Actual behavior

• See below

Screenshots

1. Change to Enter the Talawa-API server port (4000)
   
2. Change Do you want to import sample data? (y/N) to Do you want to import Talawa sample data for testing and evaluation purposes? (y/N)
   
3. Change Do you want to import default data? to Do you want to import the required default data to start using Talawa in a production environment?
4. In both cases below change Would you like to generate to Would you like to us to auto-generate ... for you.
   

Additional details

• N/A

Potential internship candidates

Please read this if you are planning to apply for a Palisadoes Foundation internship

• Student Internship Programs talawa#359

[ARYANSHAH1567]

I would like to work on this issue can you assign it to me?