Add documentation on flags for different tools

[arihantbansal]

Description

Add descriptive documentation for the different flags and their combinations for choosing between React frontend environments, CSS frameworks and Ethereum development environments.

Why is this needed?

Simplifies usage of the tool for beginners.

Proposed Solution or API

Available options:

• --ts or --typescript: Use TypeScript instead of JavaScript.
• --use-npm: Use npm for installing dependencies.
• --use-pnpm: Use pnpm for installing dependencies.

Along these lines

Additional Information

No response

[e-roy]

@arihantbansal thank you for the suggestion, I did consider doing this, but wanted to consider future potential options for this project