Add TemplateFox

[vincentventalon]

Added TemplateFox - a PDF generation API with visual template editor and SDKs for 7 languages.

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[github-actions]

New resource link: https://pdftemplateapi.com

[github-actions]

🤖 Automated PR Validation

⚠️ Issues Found

The following issues were detected. GitHub Copilot will review this PR and report any additional issues.

Resource Validation Errors

🔤 Alphabetical Order

• a.ts:455: Resource "All SVG Icons" should come before "Azure"
• l.ts:456: Resource "LargeMI" should come before "Luthor"
• n.ts:38: Resource "NAT Checker" should come before "NativeBridge"
• t.ts:564: Resource "TypersWorld" should come before "TypingClub"

📊 Too Many Categories

• s.ts:458: Resource "SlingSite": Has 8 categories (max 3)

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