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/醪糟小汤圆.md

@@ -0,0 +1,38 @@
+# Recipe for Fermented Rice Ball Soup
+
+Estimated Cooking Difficulty: ★★
+
+## Required Ingredients and Tools
+
+* Small glutinous rice balls
+* Fermented sweet rice wine (Laozao)
+* White sugar
+* Goji berries (optional)
+
+## Calculations
+
+Determine how many servings you wish to prepare before each cooking session. One serving is sufficient for 1–2 people.
+
+Total Quantities:
+
+* Water: 300 ml × number of servings
+* Small glutinous rice balls: 250 g × number of servings
+* Fermented sweet rice wine: 50 g × number of servings
+* Goji berries: 5 pieces × number of servings
+* White sugar (to taste)
+
+## Instructions
+
+* Pour water into a pot and bring to a boil.
+* Add the small glutinous rice balls and cook for 8 minutes.
+* Add the fermented sweet rice wine and goji berries, then cook for an additional 2 minutes.
+* Transfer to a bowl. Add white sugar to taste and stir well to dissolve.
+* Serve and enjoy.
+
+## Additional Notes
+
+* Adjust the amount of white sugar according to personal preference.
+* For a richer, thicker consistency, reduce the water by up to 100 ml.
+* For softer goji berries, add them to the pot at the same time as the glutinous rice balls.
+
+If you encounter any issues or have suggestions for improvement while following this guide, please submit an Issue or Pull Request.