docs: add generated plugin reference pages

docs/plugins/reference/inworld.md

@@ -0,0 +1,23 @@
+---
+summary: "Inworld streaming text-to-speech (MP3, OGG_OPUS, PCM telephony)."
+read_when:
+  - You are installing, configuring, or auditing the inworld plugin
+title: "Inworld plugin"
+---
+
+# Inworld plugin
+
+Inworld streaming text-to-speech (MP3, OGG_OPUS, PCM telephony).
+
+## Distribution
+
+- Package: `@openclaw/inworld-speech`
+- Install route: included in OpenClaw
+
+## Surface
+
+contracts: speechProviders
+
+## Related docs
+
+- [inworld](/providers/inworld)