refactor(en): restructure en/documents to match zh structure

- Reorganize from 7 flat directories to 5 aggregated directories
- 00-fundamentals: core concepts, glue coding, methodology
- 01-getting-started: environment setup guides
- 02-methodology: tools, tutorials, development guides
- 03-practice: project examples (polymarket, telegram, fate-engine, etc.)
- 04-resources: templates, tools, external resources
- Remove duplicate files with underscore naming
- Add README.md for 00-fundamentals and 02-methodology

i18n/en/documents/03-practice/telegram-dev/README.md

@@ -0,0 +1,19 @@
+# 🤖 telegram-dev
+
+> Telegram Bot Development Practical Experience
+
+## Project Background
+
+Problems and solutions encountered in Telegram Bot development, mainly involving message formatting, Markdown rendering, etc.
+
+## Document List
+
+| File | Description |
+|:---|:---|
+| [Telegram Markdown Code Block Format Fix Log 2025-12-15.md](./Telegram%20Markdown%20Code%20Block%20Format%20Fix%20Log%202025-12-15.md) | Telegram Markdown code block rendering issue fix |
+
+## Tech Stack
+
+- Python
+- python-telegram-bot
+- Telegram Bot API