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/辣椒炒肉.md

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+# How to Make Stir-fried Pork with Chili Peppers
+
+⚠️ Note: This dish requires some basic cooking skills; beginners are not recommended to try it.
+
+Estimated Cooking Difficulty: ★★★
+
+## Essential Ingredients and Tools
+
+* Green chili peppers (for those who like spicy food, Hangjiao or Luosujiao are recommended; for those who do not like spicy food, pointed peppers or sweet peppers can be used)
+* Lean pork
+* Salt
+* Light soy sauce
+* Oyster sauce
+* Garlic
+* Ginger
+* Soy sauce (optional)
+* Fermented black beans (optional)
+
+## Calculations
+
+Before each preparation, determine how many servings you plan to make. One serving is sufficient for 1 person.
+
+Total Amounts:
+
+* Number of green chili peppers = Number of servings * 3.
+* Amount of meat = Number of servings * 200g.
+* Amount of salt = Number of servings * 3g.
+* Light soy sauce = Number of servings * 3ml.
+* Oyster sauce = Number of servings * 3ml.
+* Garlic = Number of servings * 5g.
+* Ginger = Number of servings * 5g.
+* Soy sauce = Number of servings * 2ml.
+* Fermented black beans = Number of servings * 3g.
+
+Use the above conditions to calculate the proportions of raw materials needed for your planned preparation.
+
+## Instructions
+
+* Wash the `green chili peppers`, remove the `stems` and `seeds`, and then cut them using the `rolling cut technique` for later use.
+* `Smash the garlic` with the side of a knife, then slice it crosswise into `garlic cloves`. `Mince the ginger` into `ginger bits`.
+* Cut the `lean pork` into `slices` (cut along the grain of the pork, meaning the knife moves horizontally relative to the meat fibers; the resulting slices will have a "川" character-like grain pattern).
+* Wash the sliced `pork`, place it in an empty bowl, add the calculated amounts of `light soy sauce`, `oyster sauce`, and `salt`, mix well, and marinate for 10 minutes.
+* Heat the wok without adding oil. Add the `prepared green chili peppers` and stir-fry over high heat until they develop a blistered, tiger-skin-like appearance. Add 2g of `salt`, continue stir-frying for 1 minute, then remove and set aside.
+* Without washing the wok, heat it over high fire. Add `oil` (amount: servings * 8ml). Wait for 30 seconds, then add the `garlic cloves` and `ginger bits`, stir-frying for 15 seconds.
+* Add the marinated `pork` to the wok and stir-fry for 2 minutes. Then add the previously stir-fried `green chili peppers` and stir-fry for another 1 minute.
+* Add `fermented black beans` according to personal taste preference. Finally, add `soy sauce` and continue stir-frying for 30 seconds.
+* Remove from heat and plate the dish.
+
+## Additional Notes
+
+**Only green chili peppers or Luosujiao should be used; Luosujiao is the optimal choice. Do not use other varieties of chili peppers!**
+
+If you follow this guide's process and find any issues or have suggestions for improvement, please submit an Issue or Pull request.