Add README and MIT license for open-source release

Author: CyberDamon

LICENSE

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+MIT License
+
+Copyright (c) 2026 Damon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# openclaw-hyperliquid-copytrade-skill
+
+OpenClaw skill for Hyperliquid copy-trading with explainable decisions, Telegram notifications, risk controls, and one-click onboarding.
+
+## Features
+
+- Wallet monitoring and score-based follow/skip decisions
+- Order-level event handling (avoid duplicate fill-level spam)
+- Risk controls:
+  - per-trade cap (default 10%)
+  - total exposure cap (default 60%)
+- TP/SL + trailing TP logic
+- Telegram startup snapshot + decision messages
+- One-click start/stop/restart service management
+- Security preflight scanner before open-source publishing
+
+## Quick Start
+
+```bash
+python3 skills/openclaw-hyperliquid-copytrade/scripts/first_run_onboarding.py --start
+```
+
+## Required env
+
+- `TARGET_WALLETS`
+- `TELEGRAM_BOT_TOKEN`
+- `TELEGRAM_CHAT_ID`
+- `HL_WALLET_PRIVATE_KEY`
+
+Reference: `references/env.example`
+
+## Security
+
+Read `SECURITY.md`.
+
+Before publishing:
+
+```bash
+python3 scripts/security_preflight.py
+```
+
+## License
+
+MIT