feat: add .env.example with all supported provider and channel keys

Author: JonusNattapong

.env.example

@@ -0,0 +1,80 @@
+# 🦞 ClawWizard Environment Variables Example
+# Copy this file to .env and fill in your values
+# Note: These values will be used by the OpenClaw Gateway.
+
+# ─── LLM PROVIDER API KEYS ───────────────────────────────────
+
+# Mainstream Providers
+ANTHROPIC_API_KEY=sk-ant-xxx
+OPENAI_API_KEY=sk-xxx
+GEMINI_API_KEY=xxx
+DEEPSEEK_API_KEY=sk-xxx
+GROQ_API_KEY=gsk_xxx
+
+# Aggregators & Gateways
+OPENROUTER_API_KEY=sk-or-v1-xxx
+KILO_API_KEY=xxx
+TOGETHER_API_KEY=xxx
+CLOUDFLARE_AI_GATEWAY_API_KEY=xxx
+AI_GATEWAY_API_KEY=xxx
+
+# Specialized & Regional Providers
+MOONSHOT_API_KEY=xxx
+MISTRAL_API_KEY=xxx
+XAI_API_KEY=xxx
+ZHIPU_API_KEY=xxx
+QIANFAN_ACCESS_KEY=xxx
+MINIMAX_API_KEY=xxx
+XIAOMI_API_KEY=xxx
+
+# Privacy & Local
+VENICE_API_KEY=vapi_xxx
+OLLAMA_API_KEY=ollama-local
+SYNTHETIC_API_KEY=sk-xxx
+
+# Miscellaneous
+DEEPGRAM_API_KEY=xxx
+CUSTOM_API_KEY=xxx
+
+# ─── MESSAGING CHANNEL TOKENS ───────────────────────────────
+
+# Telegram
+TELEGRAM_BOT_TOKEN=123456789:ABCDefghIJKLmnop
+
+# Discord
+DISCORD_BOT_TOKEN=xxx
+DISCORD_APPLICATION_ID=xxx
+
+# Slack (Socket Mode Recommended)
+SLACK_BOT_TOKEN=xoxb-xxx
+SLACK_APP_TOKEN=xapp-xxx
+
+# Signal
+SIGNAL_NUMBER=+15551234567
+
+# LINE
+LINE_CHANNEL_ACCESS_TOKEN=xxx
+LINE_CHANNEL_SECRET=xxx
+
+# Feishu / Lark
+FEISHU_APP_ID=cli_xxx
+FEISHU_APP_SECRET=xxx
+FEISHU_ENCRYPT_KEY=xxx
+FEISHU_VERIFICATION_TOKEN=xxx
+
+# Matrix
+MATRIX_HOMESERVER=https://matrix.org
+MATRIX_USER_ID=@bot:matrix.org
+MATRIX_ACCESS_TOKEN=syt_xxx
+
+# Others
+MATTERMOST_BOT_TOKEN=xxx
+MSTEAMS_APP_ID=xxx
+NOSTR_PRIVATE_KEY=xxx
+TWITCH_OAUTH_TOKEN=xxx
+ZALO_BOT_TOKEN=xxx
+
+# ─── GATEWAY SETTINGS ───────────────────────────────────────
+OPENCLAW_PORT=18789
+OPENCLAW_BIND=0.0.0.0
+# TAILSCALE_AUTH_KEY=tskey-auth-xxx