feat: Add Spanish hyphenation support (#558)

## Summary

* **What is the goal of this PR?** Add Spanish language hyphenation
support to improve text rendering for Spanish books.
* **What changes are included?**
- Added Spanish hyphenation trie (`hyph-es.trie.h`) generated from
Typst's hypher patterns
- Registered `spanishHyphenator` in `LanguageRegistry.cpp` for language
tag `es`
  - Added Spanish to the hyphenation evaluation test suite
  - Added Spanish test data file with 5000 test cases

## Additional Context

* **Test Results:** Spanish hyphenation achieves 99.02% F1 Score (97.72%
perfect matches out of 5000 test cases)
* **Compatibility:** Works automatically for EPUBs with
`<dc:language>es</dc:language>` (or es-ES, es-MX, etc.)
<img width="115" height="189" alt="imagen"
src="https://github.com/user-attachments/assets/9b92e7fc-b98d-48af-8d53-dfdc2e68abee"
/>


| Metric | Value |
|--------|-------|
| Perfect matches | 97.72% |
| Overall Precision | 99.33% |
| Overall Recall | 99.42% |
| Overall F1 Score | 99.38% |

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### AI Usage

Did you use AI tools to help write this code? _**PARTIALLY**_

AI assisted with:
- Guiding and compile
- Preparing the PR description

test/hyphenation_eval/HyphenationEvaluationTest.cpp

@@ -42,6 +42,7 @@ const std::vector<LanguageConfig> kSupportedLanguages = {
     {"french", "test/hyphenation_eval/resources/french_hyphenation_tests.txt", "fr"},
     {"german", "test/hyphenation_eval/resources/german_hyphenation_tests.txt", "de"},
     {"russian", "test/hyphenation_eval/resources/russian_hyphenation_tests.txt", "ru"},
+    {"spanish", "test/hyphenation_eval/resources/spanish_hyphenation_tests.txt", "es"},
 };
 
 std::vector<size_t> expectedPositionsFromAnnotatedWord(const std::string& annotated) {