refactor: shorten lesson titles and improve content

- Shorten verbose lesson titles for better sidebar display
- Minor content improvements across lessons

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

lessons/tailwindcss.json

@@ -1,7 +1,7 @@
 {
 	"$schema": "../schemas/code-crispies-module-schema.json",
 	"id": "tailwindcss-basics",
-	"title": "Tailwind CSS Basics",
+	"title": "TW Basics",
 	"description": "Learn how to use Tailwind CSS utility classes to quickly style your HTML elements",
 	"difficulty": "beginner",
 	"lessons": [