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/vegetable_dish/小炒藕丁/小炒藕丁.md

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+
+# Recipe for Stir-fried Lotus Root Cubes
+
+![Finished Stir-fried Lotus Root Cubes](./小炒藕丁.jpg)
+
+Stir-fried Lotus Root Cubes is a simple and easy-to-make dish. Lotus root is nutritious and very suitable for vegetarians. Estimated preparation time: 20 minutes
+
+Estimated cooking difficulty: ★★★
+
+## Essential Ingredients and Tools
+
+- Green onion
+- Millet pepper
+- Lotus root
+- Light soy sauce
+- Dark soy sauce
+- Oyster sauce
+- Oil
+
+## Calculation
+
+Before each preparation, determine how many servings you want to make. One serving is just enough for 2 people.
+
+Per serving:
+
+- Green onion: 1 segment
+- Millet pepper: 1-2 pieces (depending on your spice tolerance)
+- Lotus root: 1 segment
+- Light soy sauce: 30 ml
+- Dark soy sauce: 15 ml
+- Oyster sauce: 15 ml
+- Cooking oil: 10-15 ml
+
+## Instructions
+
+- Cut the green onion and millet pepper into small pieces and set aside.
+- Peel the lotus root, cut it into cubes no larger than 3 cm, and soak them in water to prevent oxidation and browning.
+- Take a wok, add 500 ml of cold water, and bring it to a boil.
+- Add the lotus root cubes to the boiling water, blanch for 2 minutes, then remove and set aside on a plate.
+- Pour out the water from the wok, heat the wok until dry, and add 10-15 ml of cooking oil.
+- Once the oil temperature rises, add the chopped green onion and millet pepper and stir-fry until fragrant.
+- Add the prepared lotus root cubes to the wok and stir-fry over high heat.
+- Add light soy sauce, dark soy sauce, and oyster sauce.
+- Stir-fry for 2 minutes, then serve.
+
+## Additional Notes
+
+- When selecting lotus root, choose ones with a yellowish-brown skin and thick, white flesh. If it appears black or has an off odor, it is not suitable for consumption.
+- Try to avoid using iron cookware, as it may cause the lotus root to turn black.
+
+If you encounter any issues or have suggestions for improving the process while following this guide, please submit an Issue or Pull request.