Create bird

docker/services/bird

@@ -0,0 +1,13 @@
+  bird:
+    network_mode: 'service:tinc'
+    depends_on:
+      - tinc
+    build:
+      context: .
+      dockerfile: Dockerfile.bird
+    volumes:
+      - /etc/bird/${netname}/:/etc/bird/
+      - bird-run:/var/run/bird/
+    cap_add:
+      - NET_ADMIN
+    restart: always