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/breakfast/空气炸锅面包片.md

@@ -0,0 +1,35 @@
+# How to Make Toast in an Air Fryer
+
+Healthy and filling, perfect for programmers on a fat-loss diet.
+
+Estimated Cooking Difficulty: ★
+
+## Required Ingredients and Tools
+
+- Bread slices
+- Air fryer
+
+## Preparation
+
+Per serving:
+
+- Bread slices (2 slices)
+
+## Instructions
+
+- Take out two slices of bread (whole wheat bread is recommended)
+- Place the bread slices **vertically** into the air fryer
+- Bake at 200°C for 5 minutes
+- Remove and serve
+
+## Additional Information
+
+Nutrition Facts (data based on whole wheat bread slices)
+
+- Calories: 254 kcal
+- Protein: 12.3 g
+- Fat: 3.5 g
+- Carbohydrates: 43.1 g
+- Dietary Fiber: 6.0 g
+
+If you encounter any issues or have suggestions for improvement while following this guide, please submit an Issue or Pull Request.