docs: add generated plugin reference pages

docs/plugins/reference/volcengine.md

@@ -0,0 +1,23 @@
+---
+summary: "Adds Volcengine, Volcengine Plan model provider support to OpenClaw."
+read_when:
+  - You are installing, configuring, or auditing the volcengine plugin
+title: "Volcengine plugin"
+---
+
+# Volcengine plugin
+
+Adds Volcengine, Volcengine Plan model provider support to OpenClaw.
+
+## Distribution
+
+- Package: `@openclaw/volcengine-provider`
+- Install route: included in OpenClaw
+
+## Surface
+
+providers: volcengine, volcengine-plan; contracts: speechProviders
+
+## Related docs
+
+- [volcengine](/providers/volcengine)