goreleaser: add netbird-management package for debian

For goreleaser, create an additional Debian package artifact which
contains the `netbird-mgmt`, `netbird-relay` and `netbird-signal`
binaries.

Signed-off-by: Christoph Heiss <[email protected]>

Author: christoph-heiss

.goreleaser.yaml

@@ -148,6 +148,24 @@ nfpms:
       postinstall: "release_files/post_install.sh"
       preremove: "release_files/pre_remove.sh"
 
+  - maintainer: Netbird <[email protected]>
+    description: Netbird management plane.
+    homepage: https://netbird.io/
+    id: netbird-mgmt-deb
+    package_name: netbird-management
+    bindir: /usr/bin
+    builds:
+      - netbird-mgmt
+      - netbird-relay
+      - netbird-signal
+    formats:
+      - deb
+    contents:
+      - src: ./release_files/systemd/netbird-management.service
+        dst: /usr/lib/systemd/system/netbird-management.service
+      - src: ./release_files/systemd/netbird-signal.service
+        dst: /usr/lib/systemd/system/netbird-signal.service
+
   - maintainer: Netbird <[email protected]>
     description: Netbird client.
     homepage: https://netbird.io/