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

public/sitemap.xml

@@ -699,6 +699,18 @@
     <changefreq>monthly</changefreq>
     <priority>0.5</priority>
   </url>
+  <url>
+    <loc>https://www.bentopdf.com/deskew-pdf</loc>
+    <lastmod>2026-01-08</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.5</priority>
+  </url>
+    <url>
+    <loc>https://www.bentopdf.com/font-to-outline</loc>
+    <lastmod>2026-01-08</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.5</priority>
+  </url>
 
   <!-- PDF Extract -->
   <url>