Update README for REPO_POLICIES compliance

- Add project description first line with name, purpose, category, author
- Replace CONVENTIONS.md reference with REPO_POLICIES.md
- Add License section (pending author choice)
- Add Author section

README.md

@@ -1,9 +1,10 @@
 # dnswatcher
 
+dnswatcher is a pre-1.0 Go daemon by [@sneak](https://sneak.berlin) that monitors DNS records, TCP port availability, and TLS certificates, delivering real-time change notifications via Slack, Mattermost, and ntfy webhooks.
+
 > ⚠️ Pre-1.0 software. APIs, configuration, and behavior may change without notice.
 
-dnswatcher is a production DNS and infrastructure monitoring daemon written in
-Go.  It watches configured DNS domains and hostnames for changes, monitors TCP
+dnswatcher watches configured DNS domains and hostnames for changes, monitors TCP
 port availability, tracks TLS certificate expiry, and delivers real-time
 notifications via Slack, Mattermost, and/or ntfy webhooks.
 
@@ -385,7 +386,18 @@ docker run -d \
 
 ## Project Structure
 
-Follows the conventions defined in `CONVENTIONS.md`, adapted from the
+Follows the conventions defined in `REPO_POLICIES.md`, adapted from the
 [upaas](https://git.eeqj.de/sneak/upaas) project template.  Uses uber/fx
 for dependency injection, go-chi for HTTP routing, slog for logging, and
 Viper for configuration.
+
+---
+
+## License
+
+License has not yet been chosen for this project. Pending decision by the
+author (MIT, GPL, or WTFPL).
+
+## Author
+
+[@sneak](https://sneak.berlin)