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/凉拌鸡丝/凉拌鸡丝.md

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+# Cold-Shredded Chicken Salad Recipe
+
+![Finished Cold-Shredded Chicken Salad](./凉拌鸡丝.jpg)
+A quick dish prepared during isolation. Low in oil and calories, easy to make. Estimated preparation time: 30 minutes.
+
+Estimated Cooking Difficulty: ★★★
+
+## Essential Ingredients and Tools
+
+- Chicken breast (can be fresh or frozen)
+- Sesame oil (or Sichuan peppercorn oil)
+- Light soy sauce
+- Rice vinegar
+- White sugar
+- Salt
+- Cooking wine
+- Ginger
+- Boiled and cooled water
+
+## Measurements
+
+Per serving:
+
+- Chicken breast: 200g
+- Sesame oil: 5ml
+- Light soy sauce: 4ml
+- Rice vinegar: 4ml
+- White sugar: 3g
+- Salt: 2g
+- Ginger: 20g
+
+## Instructions
+
+- Slice the ginger and set aside.
+- Pour 4 liters of water into a pot.
+- Add the chicken breast and ginger slices.
+- Pour in 20ml of cooking wine.
+- Bring the water to a boil over high heat without covering the pot.
+- Once boiling, reduce to medium heat and skim off the foam with a spoon.
+- Continue cooking for **5-7** minutes. If using fresh chicken, cook for 5 minutes; if frozen, cook for 7 minutes.
+- The size of the chicken breast affects cooking time. Insert a chopstick into the chicken breast; if it slides in easily, the chicken is cooked. If not, extend the cooking time.
+
+![Blanching the Cold-Shredded Chicken Salad](./凉拌鸡丝_焯水.jpg)
+
+- Rinse the chicken breast with cooled boiled water to bring it down to room temperature.
+- Shred the chicken breast along the grain into fine strips.
+
+![Shredded Cold Chicken Salad](./凉拌鸡丝_撕.jpg)
+
+- Prepare a bowl.
+- Add the prepared sesame oil, light soy sauce, rice vinegar, white sugar, and salt to the bowl.
+- Stir the dressing to dissolve the sugar and salt as much as possible.
+- Pour the dressing over the shredded chicken and mix well.
+
+## Additional Notes
+
+- This dish was made with available ingredients during isolation. If possible, add cilantro and green onions for garnish. Add chili oil if you prefer a spicy flavor.
+
+If you encounter any issues or have suggestions for improvement while following this guide, please submit an Issue or Pull request.