Initial commit — DRB client (edge node) stack

Includes edge-node (FastAPI/MQTT/Discord voice), op25-container (SDR decoder),
and icecast (audio streaming).

Makefile

@@ -0,0 +1,18 @@
+.PHONY: setup test up down logs
+
+setup:
+	@[ -f .env ] && echo ".env already exists, skipping." || (cp .env.example .env && echo "Created .env — fill in your values before running 'make up'.")
+
+# Run pytest inside the running edge-node container.
+# Requires: docker compose up (or at least the edge-node image built).
+test:
+	docker compose run --no-deps --rm edge-node pytest -v
+
+up:
+	docker compose up -d
+
+down:
+	docker compose down
+
+logs:
+	docker compose logs -f edge-node