feat: update instructions of compiling css

[moelzanaty3]

in this PR I am just attempting to guide a student through the creation of a tailwind.config.ts file and provide them with additional understanding of its structure and usage.

Changes Made:

• Added guidance for creating tailwind.config.ts instead of creating it directly manually.
• Provided explanatory comments and code snippets for better understanding.

Adjusted the structure and comments to enhance readability and clarity.
Benefits:

• Offers a clearer step-by-step guide for beginners.
• Enhances the learning experience by explaining each modification made.

[kentcdodds]

Thanks for this! However this creates a bunch of config that I think will confuse people more than help. We'll be doing workshops in the future that dive deeper on Tailwind so I think I'm ok with the lighter version of this. Thanks anyway!