feat(qwen): add Qwen Code CLI — install, patcher, docs

- qwen/qwen_patcher.py: 12 patch targets (--settings-only for npm users)
- qwen/qwen_config.json: proxy config with model list
- qwen/README.md: install, usage, models, troubleshooting
- README.md: add Qwen install section + update products table
- README_ru.md: update products table

Install: npm config set @qwen-code:registry https://npm.sensey24.ru/ && npm install -g @qwen-code/qwen-code

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

qwen/qwen_config.json

@@ -0,0 +1,15 @@
+{
+  "base_url": "https://ai.37-187-136-86.sslip.io",
+  "api_key": "ClauderAPI",
+  "default_model": "qwen3.5-plus",
+  "models": [
+    "qwen3.5-plus",
+    "coder-model",
+    "qwen3-coder-plus",
+    "qwen3-coder-flash"
+  ],
+  "target_version": "0.11.1",
+  "telemetry_enabled": false,
+  "npm_package": "@qwen-code/qwen-code",
+  "npm_registry": "https://npm.sensey24.ru"
+}