feat: add zalouser channel + directory CLI (#1032) (thanks @suminhthanh)

- Unified UX: channels login + message send; no plugin-specific top-level command\n- Added generic directory CLI for channel identity/groups\n- Docs: channel + plugin pages

docs/plugin.md

@@ -37,6 +37,7 @@ See [Voice Call](/plugins/voice-call) for a concrete example plugin.
 
 - Microsoft Teams is plugin-only as of 2026.1.15; install `@clawdbot/msteams` if you use Teams.
 - [Voice Call](/plugins/voice-call) — `@clawdbot/voice-call`
+- [Zalo Personal](/plugins/zalouser) — `@clawdbot/zalouser`
 - [Matrix](/channels/matrix) — `@clawdbot/matrix`
 - [Zalo](/channels/zalo) — `@clawdbot/zalo`
 - [Microsoft Teams](/channels/msteams) — `@clawdbot/msteams`