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/香干肉丝.md

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+# How to Make Shredded Pork with Smoked Tofu
+
+Estimated Cooking Difficulty: ★★★
+
+## Essential Ingredients and Tools
+
+* Pork tenderloin (you can buy pre-cut and pre-weighed shredded pork at the supermarket)
+* Smoked tofu (Xianggan)
+* Salt
+* Light soy sauce
+* Cornstarch
+* Garlic
+* Green bell pepper
+* Chicken bouillon powder
+
+## Calculation
+
+Before each preparation, determine how many servings you want to make. One serving is sufficient for 1 person.
+
+Total quantities:
+
+* Smoked tofu = Number of servings * 75g
+* Number of green bell peppers = Number of servings * 5
+* Amount of pork = Number of servings * 100g
+* Amount of salt = Number of servings * 3g
+* Light soy sauce = Number of servings * 5ml
+* Cornstarch = Number of servings * 5g
+* Garlic = Number of servings * 5g (approximately 3 cloves)
+* Chicken bouillon powder = 2g
+
+Use the above conditions to calculate the proportions of raw materials needed for your plan.
+
+## Procedure
+
+### Preparation
+
+* Marinate the `shredded pork` (cut it yourself if you don't have it) by mixing it evenly with 3ml of light soy sauce and cornstarch. Set aside.
+* Wash the `green bell pepper`, then cut it using the `rolling knife technique` and set aside.
+* Slice the `garlic` horizontally, and shred the `smoked tofu`.
+* Mix the `cornstarch` with 10ml of water and stir evenly.
+
+### Cooking
+
+* Heat 15ml of oil in a clean wok. Do not wait for the oil to get hot; pour in the shredded pork and gently stir-fry until separated. Once the pork is cooked, remove it immediately, leaving the oil in the wok.
+* Add the garlic slices and shredded smoked tofu to the wok. Add 2ml of light soy sauce and stir-fry evenly.
+* After 2-3 minutes, depending on the heat level, add the shredded green bell peppers and stir-fry.
+* After 1 minute, add the cooked pork back in and mix.
+* Pour in the cornstarch and water mixture to thicken the sauce. Add 3g of salt and 2g of chicken bouillon powder. Stir-fry for 2-3 minutes, then remove from heat.
+* The dish is ready.
+
+Note: Different cookware or stoves may affect the stir-frying time. If you are unsure whether the ingredients are cooked, taste a small piece to check.
+
+## Additional Notes
+
+**For the peppers, choose green bell peppers; Screw peppers (Luo Si Jiao) are the best option. If you like spicy food, you can add finely chopped Millet peppers and add them together with the green bell peppers!**
+
+If you encounter any issues or have suggestions for improving the process after following this guide, please submit an Issue or Pull request.