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/staple/电饭煲三文鱼炊饭/电饭煲三文鱼炊饭.md

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+# How to Make Salmon Rice Cooker Rice
+
+![Example of Salmon Rice Cooker Rice](./电饭煲三文鱼炊饭.webp)
+
+Estimated Cooking Difficulty: ★★
+
+## Essential Ingredients and Tools
+
+- Salted butter
+- Salmon
+- Rice
+- Corn (optional)
+- Enoki mushrooms (optional)
+- Shiitake mushrooms (optional)
+
+### Tools
+
+- Rice cooker
+
+## Measurements
+
+- Rice: 50g per person
+- Salmon: 300g per person
+- Water
+- Butter: 1 tablespoon per person
+
+## Instructions
+
+- Remove scales and bones from the salmon
+- Chop the enoki mushrooms and shiitake mushrooms
+- Rinse the rice three times
+- Place the salmon, rice, and butter into the rice cooker
+- For a richer flavor, add an extra tablespoon of butter
+- Add water according to the markings on the rice cooker
+- Set the rice cooker to the "cook rice" mode and wait for approximately 30 - 45 minutes
+
+## Additional Content
+
+If you follow this guide and encounter any issues or have suggestions for improvement, please submit an Issue or Pull request.