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/水煮玉米.md

@@ -0,0 +1,31 @@
+# How to Boil Corn
+
+It takes about 15 minutes to prepare.
+
+Estimated Cooking Difficulty: ★★
+
+## Essential Ingredients and Tools
+
+- Fresh corn
+- A pot large enough to hold the corn
+- Water
+- Salt
+- Sugar (optional)
+
+## Measurements
+
+- One ear of corn with husk
+- Water covering the corn by about half an inch
+- When boiling, add light salted water: approximately 2 grams of salt per 50ml of water
+- Add sugar to taste (optional)
+
+## Instructions
+
+- Peel the outer husk from the fresh corn, leaving some inner husk on the cob before placing it in the pot
+- Add water to cover the corn by about half an inch, along with salt and sugar
+- Once the water boils, reduce to low heat, cover, and simmer for 15–20 minutes. It’s fine to cook the corn a bit longer.
+- Drain the water after cooking, let it cool, and then serve.
+
+## Additional Notes
+
+If you follow this guide and encounter any issues or have suggestions for improvement, please submit an Issue or Pull Request.