nixos/airsonic: make path to war file and jre configurable (#135709)
nixos/airsonic: make path to war file and jre configurable (#135709)

* nixos/airsonic: make path to war file and jre configurable

* Apply suggestions from code review

Co-authored-by: Sumner Evans <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@sumnerevans.com>

Co-authored-by: Sumner Evans <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@sumnerevans.com>
NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs