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/小炒肉.md

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+# How to Make Stir-Fried Pork
+
+Estimated Cooking Difficulty: ★★★
+
+## Essential Ingredients and Tools
+
+- Pork belly
+-朝天椒 (Tianchao chili)
+-小米椒 (Xiaomi chili)
+- Fermented black beans
+- Doubanjiang (broad bean paste)
+- Dark soy sauce
+- Starch
+- Salt
+- Scallions
+- Garlic
+
+## Calculations
+
+Per serving:
+
+- Pork belly 500g
+- 朝天椒 (Tianchao chili) 4 pieces
+- 小米椒 (Xiaomi chili) 4 pieces
+- Fermented black beans 10g, adjust ±5g according to taste
+- Doubanjiang (broad bean paste) 10g, adjust ±5g according to taste
+- Dark soy sauce 10ml
+- Starch 10g
+- Salt 1-2g
+- Scallions 0.5-1 piece
+- Garlic 2 cloves
+- Cooking oil 15ml
+
+## Instructions
+
+- Slice the pork belly
+- Place the meat in a container, add starch, dark soy sauce, and salt, then stir and marinate for half an hour
+- Cut the scallions into segments
+- Slice the 小米椒 (Xiaomi chili) and 朝天椒 (Tianchao chili) diagonally
+- Heat the wok and pour in the oil
+- Once the oil is hot, add the pork belly and stir-fry. Remove once the color changes
+- Add garlic to the wok, stir-fry until fragrant, then add fermented black beans and stir-fry evenly
+- Add Doubanjiang (broad bean paste) and stir-fry evenly
+- Add the previously stir-fried pork belly and continue to stir-fry evenly
+- Add the 小米椒 (Xiaomi chili), 朝天椒 (Tianchao chili), and scallion segments, stir-fry for 40 seconds
+- Remove from heat.
+
+## Additional Content
+
+If you follow this guide's process and find any issues or have improvements to suggest, please submit an Issue or Pull request.