feat: initial KosmoConnect platform v0.1

Includes:
- Backend services: ingestion (:8001), weather API (:8002),
  gateway (:8003), billing (:8004) with BTCPay integration
- Shared asyncpg pool, TimescaleDB hypertable, Redis, Mosquitto MQTT
- React frontend: Dashboard (MapLibre) and Messaging (chat UI)
- Bridge daemon for Pi + Meshtastic (Serial/TCP T-Deck support)
- Production Docker Compose, Nginx reverse proxy, ops scripts
- DEPLOY.md with step-by-step deployment guide

legal/LICENSE

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+# Licensing Notice
+
+KosmoConnect is a technology project of the Church of Kosmo. It is a multi-component project with different licenses applied to different parts.
+
+## Software
+
+All software in the `firmware/`, `backend/`, `web/`, `ops/`, and `tests/` directories is licensed under the **GNU Affero General Public License v3.0 (AGPL-3.0)** unless otherwise noted in individual files.
+
+This means:
+- You are free to use, modify, and distribute the software.
+- If you run a modified version of the backend or web services on a server, you must make the source code available to users of that service.
+- Any derivative works must also be under AGPL-3.0.
+
+## Hardware
+
+All hardware designs in the `hardware/` and `kits/` directories are licensed under the **CERN Open Hardware Licence Version 2 - Strongly Reciprocal (CERN-OHL-S-2.0)** unless otherwise noted.
+
+This means:
+- You are free to study, modify, make, and distribute the hardware designs.
+- If you distribute products based on these designs, you must share the corresponding design files under the same license.
+
+## Documentation
+
+Documentation in the `docs/` directory is licensed under **Creative Commons Attribution-ShareAlike 4.0 International (CC-BY-SA-4.0)**.
+
+## Exceptions
+
+Some components may include third-party libraries or designs with their own licenses. These are noted in the respective directories.
+
+## Commercial Use
+
+Commercial use of the hardware designs and self-hosted software is permitted under the terms above. The hosted KosmoConnect service operated by Church of Kosmo is a separate offering and may include additional terms of service.