docs: align en/ structure with main README

- Simplify language badges (zh, en, more languages)
- Add X badge @123olp
- Reorganize prompts: 00-meta, 01-system, 02-coding, 03-user
- Reorganize skills: 00-meta, 01-ai-tools, 02-databases, 03-crypto, 04-dev-tools
- Update all path references

i18n/en/skills/03-crypto/ccxt/references/exchanges.md

@@ -0,0 +1,30 @@
+TRANSLATED CONTENT:
+# Ccxt - Exchanges
+
+**Pages:** 2
+
+---
+
+## Search code, repositories, users, issues, pull requests...
+
+**URL:** https://github.com/ccxt/ccxt/wiki/Exchange-Markets
+
+**Contents:**
+- Supported Exchanges
+
+(If the page is not being rendered for you, you can refer to the mirror at https://docs.ccxt.com/)
+
+---
+
+## Search code, repositories, users, issues, pull requests...
+
+**URL:** https://github.com/ccxt/ccxt/wiki/Exchange-Markets-By-Country
+
+**Contents:**
+- Exchanges By Country
+
+The ccxt library currently supports the following cryptocurrency exchange markets and trading APIs:
+
+(If the page is not being rendered for you, you can refer to the mirror at https://docs.ccxt.com/)
+
+---