Add dock service, provision README, MIT License

- crimata-dock: C daemon (libmicrohttpd + libsystemd) on port 7701
  - GET /apps: lists installed apps with live running status from systemd
  - POST /apps/{id}/start|stop: controls crimata-*.service units
- Add README with install paths and port map
- Add MIT License

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

README.md

@@ -0,0 +1,22 @@
+# Crimata OS
+
+## Install Paths
+
+| Component         | Path                                        |
+|-------------------|---------------------------------------------|
+| Web desktop UI    | `/opt/crimata/ui/`                          |
+| Auth daemon       | `/opt/crimata/bin/crimata-auth`             |
+| Dock daemon       | `/opt/crimata/bin/crimata-dock`             |
+| Contacts app      | `/usr/lib/crimata-contacts/`               |
+| Nginx config      | `/etc/nginx/sites-available/crimata`        |
+| systemd units     | `/etc/systemd/system/crimata-*.service`     |
+| Postgres DBs      | `crimata_contacts`, `crimata_blog`, …       |
+
+## Ports
+
+| Service            | Port |
+|--------------------|------|
+| nginx              | 80   |
+| crimata-auth       | 7700 |
+| crimata-dock       | 7701 |
+| crimata-contacts   | 3001 |