add docs, protocol, plugins, README, CHANGELOG

docs/README.md

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+# VNOX documentation
+
+Self-hosted realtime voice and chat. Decentralized. Lightweight. Moddable.
+Built on LNEx, a custom protocol layer for low-latency federated communication.
+
+Not Discord. Not TeamSpeak. Not cloud.
+
+## Start here
+
+- [Current status (what actually works)](00-status.md)
+- [Overview](00-overview.md)
+- [Architecture](01-architecture.md)
+- [Roadmap](06-roadmap.md)
+- [Changelog](../CHANGELOG.md)
+
+## Phase 1.2+ Planning
+
+- [Community Model](07-community-model.md) — Guilds, channels, roles, members
+- [Gateway Events](08-gateway-events.md) — Real-time event system
+- [Database Schema](10-database.md) — SQLite/PostgreSQL structure
+
+## By topic
+
+| Topic | Entry point |
+|-------|-------------|
+| Protocol | [02-protocol/README.md](02-protocol/README.md) |
+| Server | [03-server/README.md](03-server/README.md) |
+| Clients | [04-clients/README.md](04-clients/README.md) |
+| Plugins | [community/plugins.md](community/plugins.md) |
+| Contributing | [community/contributing.md](community/contributing.md) |
+
+## Quick paths
+
+- Try it locally: [dev/README.md](../dev/README.md)
+- Deploy a node: [03-server/deployment.md](03-server/deployment.md)
+- Understand the protocol: [02-protocol/README.md](02-protocol/README.md)
+- Understand the community model: [07-community-model.md](07-community-model.md)
+