gobatmon: init at 0.4.0

pkgs/by-name/go/gobatmon/package.nix

···
+{
+  buildGoModule,
+  fetchFromGitHub,
+  lib,
+}:
+
+buildGoModule rec {
+  pname = "gobatmon";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "ulinja";
+    repo = "gobatmon";
+    tag = "v${version}";
+    hash = "sha256-morcsU9RhY17XlaDC6J0uDRYiSYjnXquFjuOh7AEKkA=";
+  };
+
+  vendorHash = "sha256-WUTGAYigUjuZLHO1YpVhFSWpvULDZfGMfOXZQqVYAfs=";
+
+  meta = {
+    description = "Simple battery level monitor for Linux written in Go";
+    homepage = "https://github.com/ulinja/gobatmon";
+    license = lib.licenses.wtfpl;
+    maintainers = with lib.maintainers; [ ulinja ];
+    mainProgram = "gobatmon";
+    downloadPage = "https://github.com/ulinja/gobatmon/releases/latest";
+    changelog = "https://github.com/ulinja/gobatmon/blob/v${version}/CHANGELOG.md";
+    platforms = lib.platforms.linux;
+  };
+}