feat: v3.7.0 — Coolify MCP plugin (30 tools)

New plugin: Coolify deployment management (applications, deployments, servers).
10 plugins, 596 tools, 686 tests passing.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

env.example

@@ -89,6 +89,14 @@ DASHBOARD_SESSION_SECRET=
 # USER_RATE_LIMIT_PER_MIN=30
 # USER_RATE_LIMIT_PER_HR=500
 
+# ============================================
+# COOLIFY (admin-only — F.17)
+# ============================================
+# Coolify instance for AI-driven deployment management.
+# Create an API token in Coolify: Keys & Tokens → API tokens
+# COOLIFY_URL=https://coolify.example.com
+# COOLIFY_TOKEN=your-api-token-here
+
 # ============================================
 # ADVANCED (optional — defaults are fine)
 # ============================================