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/杨枝甘露.md

@@ -0,0 +1,41 @@
+# How to Make Yangzhi Ganlu
+
+I didn't use sago pearls because I didn't have any at home, but I had plenty of chia seeds, which I used as a substitute. Moreover, chia seeds only need to be soaked, not boiled, saving a lot of time!
+
+Estimated Cooking Difficulty: ★★
+
+## Essential Ingredients and Tools
+
+- Glass
+- Fruit knife
+- Milk
+- Ice cubes
+- Blender/Juicer
+
+## Ingredients
+
+Per serving:
+
+- Chia seeds: 24g
+- Milk: 50ml
+- Ice cubes: 2 small cubes
+- Mango: 1 piece
+- Grapefruit: 1/2 piece
+- Coconut milk: 150ml
+
+Garnish (optional):
+
+- Shredded dried mango
+- Shredded dried orange
+
+## Instructions
+
+- Soak chia seeds in milk for 10 minutes.
+- While the seeds are soaking, peel and dice half a mango and the grapefruit, then place them in the glass.
+- Cut the other half of the mango into small pieces, add ice cubes and coconut milk to the blender, and blend until smooth.
+- Pour the mixture into the glass and add garnish (if using).
+- Enjoy while writing code!!
+
+## Additional Information
+
+If you follow this guide and encounter any issues or have suggestions for improvement, please open an Issue or submit a Pull request.