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/soup/银耳莲子粥/银耳莲子粥.md

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+# How to Make Silver Ear Mushroom and Lotus Seed Porridge
+
+![Silver Ear Mushroom and Lotus Seed Porridge](./银耳莲子粥.png)
+
+Silver Ear Mushroom and Lotus Seed Porridge is a highly nutritious dish. It has a sweet flavor and is known for its benefits in nourishing the heart and calming the mind.
+
+Estimated Cooking Difficulty: ★★★★
+
+## Essential Ingredients and Tools
+
+- Silver Ear Mushroom (Tremella)
+- Lotus Seeds (without hearts)
+- Red Dates (Jujubes)
+- Goji Berries (optional)
+- Rock Sugar
+
+## Measurements
+
+For 1 serving:
+
+- Silver Ear Mushroom: 60g
+- Lotus Seeds (without hearts): 20g
+- Red Dates: 6g
+- Goji Berries: 5-6g
+- Rock Sugar: 10-20g
+
+## Instructions
+
+- Soak the Silver Ear Mushroom and Lotus Seeds in clean water for 2 hours. Soak the Red Dates for 10-20 minutes. Wash the Goji Berries and set aside.
+- Pour 600ml of water into a pot and bring it to a boil. Then add the Silver Ear Mushroom, Lotus Seeds, and Red Dates in that order.
+- Once the water boils again, cover the pot and reduce the heat to medium. Continue simmering.
+- After simmering for about 1 hour, add 5-10g of Rock Sugar and 5-6g of Goji Berries. Reduce the heat to low and continue simmering.
+- Simmer on low heat for another 30 minutes. The Silver Ear Mushroom should begin to become thick and viscous.
+- Add another 5-10g of Rock Sugar and stir with a spoon for 5-10 minutes.
+- Turn off the heat and serve with a spoon.
+
+## Additional Tips
+
+- When the Silver Ear Mushroom becomes viscous, stir it promptly with a spoon to prevent it from sticking to the bottom of the pot.
+
+If you encounter any issues or have suggestions for improvement while following this guide, please submit an Issue or Pull request.