chore: sanitize template names and descriptions

- Renamed 'Artificial Intelligence' to 'Neural Network'
- Renamed 'Blockchain Protocol' to 'Secure Protocol'
- Renamed 'Crypto Futurism' to 'Digital Futurism'
- Renamed 'Startup SaaS' to 'Product Launch'
- Renamed 'Tech Startup' to 'Tech Venture'
- Removed references to AI, crypto, blockchain, and startups from template descriptions
- Updated README.md to remove specific startup/SaaS references

README.md

@@ -93,7 +93,7 @@ Each of the 163+ styles is a labor of love, crafted with attention to typographi
 | **🤍 Minimalist** | Clean, breathing room, Swiss precision | Swiss Grid, Brutalist, Monospace |
 | **🏢 Corporate** | Professional, authoritative, trustworthy | Executive, Financial, Legal |
 | **📰 Editorial** | Magazine-quality, high-contrast, readable | Glossy, Newsprint, Feature |
-| **💻 Tech** | Startup aesthetic, modern, sleek | SaaS, Y Combinator, Terminal |
+| **💻 Tech** | Modern aesthetics, sleek, future-focused | Product Launch, Venture, Terminal |
 | **🎭 Creative** | Expressive, artistic, bold | Poster, Zine, Experimental |
 | **📜 Vintage** | Timeless elegance, historical charm | Victorian, Art Deco, Baroque |
 | **🌿 Lifestyle** | Warm, inviting, personal | Cookbook, Travel, Botanical |