feat: add Deskew PDF and Font to Outline tools with improved issue templates

New Features:
- Add Deskew PDF tool for straightening scanned/skewed PDF pages
- Add Font to Outline tool for converting text to vector paths
- Add translations for new tools in all supported locales (de, en, id, it, tr, vi, zh)

Improvements:
- Migrate GitHub issue templates from markdown to YAML forms
  - Separate templates for bug reports, feature requests, and questions
  - Add config.yml for issue template chooser
- Update sitemap.xml with new tool pages
- Update ghostscript loader and helper utilities

src/js/main.ts

@@ -271,6 +271,8 @@ const init = async () => {
     'Remove Metadata': 'tools:removeMetadata',
     'Change Permissions': 'tools:changePermissions',
     'Email to PDF': 'tools:emailToPdf',
+    'Font to Outline': 'tools:fontToOutline',
+    'Deskew PDF': 'tools:deskewPdf',
   };
 
   // Homepage-only tool grid rendering (not used on individual tool pages)