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

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,39 @@
+name: 💡 Feature Request
+description: Suggest a new feature for BentoPDF
+title: "(Feature) "
+labels: ["enhancement", "needs triage"]
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Feature Description
+      description: What functionality are you requesting?
+      placeholder: Describe the feature you'd like to see...
+    validations:
+      required: true
+
+  - type: textarea
+    id: use-case
+    attributes:
+      label: Use Case
+      description: Why is this feature useful? What problem does it solve?
+      placeholder: Explain why you need this feature...
+    validations:
+      required: true
+
+  - type: textarea
+    id: examples
+    attributes:
+      label: Examples
+      description: Any examples, mockups, or references to illustrate the feature?
+      placeholder: Links to similar features, screenshots, etc.
+    validations:
+      required: false
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional Context
+      description: Any other information about the feature request.
+    validations:
+      required: false