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/dessert/提拉米苏/提拉米苏.md

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+# How to Make Tiramisu
+
+![Homemade Tiramisu](提拉米苏成品.jpg)
+
+Tiramisu is a traditional Italian dessert. It requires no oven, is easy to make, and even baking novices can achieve perfect results with zero failures.
+
+Estimated Cooking Difficulty: ★★★★
+
+## Essential Ingredients and Tools
+
+- Mascarpone cheese
+- Ladyfingers
+- Brewed espresso (cooled)
+- Pasteurized eggs
+- Granulated sugar
+- Cocoa powder
+- Rum (omit if you prefer not to use alcohol; adjust to taste)
+- A container for the finished dessert (glass lock container used here)
+- Hand mixer (great for building arm strength)
+
+## Ingredients
+
+- Mascarpone cheese: 450g
+- Ladyfingers: 1 package
+- Cooled espresso: 350ml
+- Pasteurized eggs: 4
+- Granulated sugar: 50g
+- Cocoa powder: 10g
+- Rum: 35ml
+
+## Instructions
+
+- Separate the egg yolks from the egg whites.
+- Add 10g of granulated sugar to the bowl containing the egg whites and beat until soft peaks form.
+- Add the remaining 40g of granulated sugar to the bowl with the egg yolks in three additions, stirring until well combined.
+- Add the mascarpone cheese to the egg yolks in three additions, stirring until smooth.
+- Add the rum to the egg yolk mixture and stir well.
+- Gently fold the beaten egg whites into the egg yolk and cheese mixture in three additions.
+- Dip the ladyfingers on both sides into the espresso liquid and arrange them in a single layer at the bottom of the container.
+- Alternate layers of cheese mixture and soaked ladyfingers (adjust based on preference and container height).
+- Refrigerate for four hours (you can take it out earlier if you can't wait).
+- Dust the top with cocoa powder before serving.
+
+## Additional Resources
+
+- [Detailed Tutorial on Beating Egg Whites on Xiachufang](https://www.xiachufang.com/recipe/101779500/)
+
+If you encounter any issues or have suggestions for improvement while following this guide, please open an Issue or submit a Pull request.