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/drink/海边落日/海边落日.md

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+# How to Make Seaside Sunset
+
+**Alcohol consumption is harmful to health. Minors are prohibited from drinking.**
+
+Estimated Cooking Difficulty: ★★★
+
+## Essential Ingredients and Tools
+
+Ingredients
+
+- Grenadine syrup
+- NFC orange juice
+- Soda water
+- White rum
+- Blue curaçao liqueur
+- Lemon juice
+- Ice cubes
+- Lemon
+
+Tools
+
+- Large glass
+- Stirring rod
+- Jigger
+- Cocktail shaker
+- Straw
+- Fruit knife
+
+## Measurements
+
+One serving (with ice)
+
+- Grenadine syrup: 15ml
+- Orange juice: 35~50ml
+- Soda water: 50ml
+- White rum: 30ml
+- Blue curaçao liqueur: 15ml
+- Lemon juice: 15ml
+- Large ice cubes: to taste
+- Lemon: 1 slice
+
+## Instructions
+
+Preparing the Lemon
+
+1. Wash the lemon and slice one piece.
+
+Mixing
+
+1. Select a glass; a transparent glass with a capacity of 350~400 ml is recommended.
+2. Add large ice cubes and stir the ice in the glass with a stirring rod.
+3. Add the grenadine syrup.
+4. Pour the orange juice along the stirring rod into the glass until it is about half full.
+5. Gently stir half a circle.
+6. Pour in the soda water.
+7. Take the cocktail shaker, add white rum, blue curaçao liqueur, lemon juice, and ice cubes. Then shake, shake.
+8. Gently pour the mixture into the glass.
+9. Garnish with a lemon slice and insert a straw.
+
+## Additional Content
+
+### Final Product
+
+![Seaside Sunset](./海边落日.jpg)
+
+If you encounter any issues or have suggestions for improvement while following this guide, please submit an Issue or Pull request.