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/meat_dish/豆豉鲮鱼油麦菜/豆豉鲮鱼油麦菜.md

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+# Recipe for Oilseed Lettuce with Black Bean and Dace Fish
+
+![Oilseed Lettuce with Black Bean and Dace Fish](./豆豉鲮鱼油麦菜成品.jpg)
+
+Oilseed Lettuce with Black Bean and Dace Fish is a very common dish. It requires simple ingredients and is easy to prepare. The dace fish is salty and fragrant, making it an excellent accompaniment for rice.
+
+Estimated Cooking Difficulty: ★★
+
+## Essential Ingredients and Tools
+
+- Oilseed lettuce (Youtiao Cai)
+- Ganzhu brand canned dace fish
+- Garlic
+- Light soy sauce
+- White sugar
+- Cooking oil
+
+## Measurements
+
+Per serving (approximately 2 servings):
+
+- Oilseed lettuce: 500g
+- Canned dace fish: 1 can (approx. 250g)
+- Garlic: 4 cloves
+- Light soy sauce: 20g
+- White sugar: 3g
+- Cooking oil: 15ml
+
+## Instructions
+
+1. **Ingredient Preparation**:
+   - Wash the oilseed lettuce and cut it into segments.
+   - Open the can of dace fish, remove the main bones, cut the fish into small pieces, and set aside.
+   - Mince the garlic.
+
+2. **Stir-frying Process**:
+   - Heat the wok and add the cooking oil. Once the oil is hot, add the washed oilseed lettuce. Stir-fry until it wilts and releases water, then remove from the wok and set aside. Discard the liquid released during stir-frying.
+   - Reheat the wok, add the oil from the canned dace fish, and sauté the minced garlic until fragrant.
+   - Once the garlic is fragrant, add the black beans from the can, stir well, then add the chopped dace fish pieces and stir again.
+   - Once evenly mixed, add the oilseed lettuce back in. Season with light soy sauce and sugar.
+   - After seasoning, give it a simple stir and serve on a plate.
+
+## Additional Notes
+
+- **Precautions**:
+  1. The canned dace fish is already seasoned, so adding light soy sauce provides sufficient flavor. No additional salt is needed.
+
+If you encounter any issues or have suggestions for improvement while following this guide, please submit an Issue or Pull request.