docs: note relative plugin install paths

docs/plugin.md

@@ -148,6 +148,7 @@ export default {
 clawdbot plugins list
 clawdbot plugins info <id>
 clawdbot plugins install <path>              # add a local file/dir to plugins.load.paths
+clawdbot plugins install ./extensions/voice-call # relative path ok
 clawdbot plugins install ./plugin.tgz        # install from a local tarball
 clawdbot plugins install @clawdbot/voice-call # install from npm
 clawdbot plugins enable <id>

docs/plugins/voice-call.md

@@ -40,8 +40,8 @@ Restart the Gateway afterwards.
 ### Option B: install from a local folder (dev, no copying)
 
 ```bash
-clawdbot plugins install /absolute/path/to/voice-call
-cd /absolute/path/to/voice-call && pnpm install
+clawdbot plugins install ./extensions/voice-call
+cd ./extensions/voice-call && pnpm install
 ```
 
 Restart the Gateway afterwards.