bt-volume-step: add package

Source package for https://github.com/Felitendo/bt-volume-step: a daemon that
corrects the coarse internal volume grid of Bluetooth audio devices on
PipeWire. Nothing is compiled; the upstream Makefile installs the script and
a systemd user unit.

bt-volume-step/PKGBUILD

@@ -0,0 +1,28 @@
+# Maintainer: Felitendo
+# This PKGBUILD is updated automatically:
+# https://github.com/Felitendo/PKGBUILDS
+
+pkgname=bt-volume-step
+pkgver=1.0.0
+pkgrel=1
+pkgdesc="Fixed volume steps for Bluetooth audio devices on PipeWire"
+arch=('any')
+url="https://github.com/Felitendo/bt-volume-step"
+license=('BSD-3-Clause')
+depends=('python' 'libpulse')
+optdepends=('kconfig: follow the KDE Plasma volume step setting'
+            'bluez-utils: device names in --show')
+source=("${pkgname}-${pkgver}.tar.gz::${url}/archive/refs/tags/v${pkgver}.tar.gz")
+sha256sums=('0b06ba55c3764271856a5a806c28dc71b0802f85fd3d706699834eb4249ed097')
+
+check() {
+  cd "${pkgname}-${pkgver}"
+  make check
+}
+
+package() {
+  cd "${pkgname}-${pkgver}"
+  make install PREFIX=/usr DESTDIR="$pkgdir"
+  install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+  install -Dm644 README.md -t "$pkgdir/usr/share/doc/$pkgname"
+}