Add English translations for all 379 recipe and tip files

Use dotlang AI translation (aiursoft-instruct:latest via Ollama) to
translate all Chinese content to English under en/ subfolder:
- en/dishes/: all recipe categories (aquatic, breakfast, condiment,
  dessert, drink, meat_dish, semi-finished, soup, staple, vegetable_dish)
- en/tips/: learn/ and advanced/ cooking guides
- en/README.md, en/CONTRIBUTING.md, en/CODE_OF_CONDUCT.md

The mkdocs-static-i18n plugin (docs_structure: folder) serves Chinese
at the root and English at /en/, with a language switcher in the UI.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

en/dishes/staple/热干面.md

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+# How to Make Hot Dry Noodles
+
+Estimated Cooking Difficulty: ★★★
+
+## Essential Ingredients and Tools
+
+* Special alkaline noodles for Hot Dry Noodles
+* Scallions
+* Pickled sour beans
+* Ground meat
+* Garlic water
+* Meat broth
+* Dried radish
+* Sesame paste
+* Chili oil
+* Pepper powder
+* Soy sauce
+* Salt
+* Chicken bouillon
+
+## Measurements
+
+Per serving:
+
+* Special alkaline noodles for Hot Dry Noodles (250g)
+* Scallions (10g)
+* Pickled sour beans (20g)
+* Ground meat (30g)
+* Garlic water (30ml)
+* Meat broth (30ml)
+* Dried radish (50g)
+* Sesame paste (40ml)
+* Chili oil (0-10ml)
+* Pepper powder (0-10g)
+* Soy sauce (5ml)
+* Salt (3g)
+* Chicken bouillon (0-3g)
+
+## Instructions
+
+* Bring water to a boil, add the special alkaline noodles for Hot Dry Noodles, blanch for 25 seconds, then remove
+* Sprinkle with salt, chicken bouillon, and pepper powder
+* Dilute the sesame paste with 90ml of water, stir well, then add
+* Add 5ml of soy sauce, 30ml of meat broth, and garlic water
+* Add dried radish, ground meat, pickled sour beans, and scallions
+* Mix well and enjoy
+
+## Additional Notes
+
+* Add chili oil according to personal preference
+
+If you encounter any issues or have suggestions for improvement while following this guide, please submit an Issue or Pull request.