New package: SwayOSD-0.2.1

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Co-authored-by: Komeil Parseh <komeilparseh@disroot.org>

switch to meson build due to inconsistencies with cargo

Fix meson build, add post_patch hook, edit "run" script

srcpkgs/SwayOSD/files/swayosd-libinput-backend/run

@@ -0,0 +1,3 @@
+#!/bin/sh
+exec 2>&1
+exec swayosd-libinput-backend

srcpkgs/SwayOSD/template

@@ -0,0 +1,25 @@
+# Template file for 'SwayOSD'
+pkgname=SwayOSD
+version=0.2.1
+revision=1
+build_style=meson
+build_helper="rust"
+hostmakedepends="pkg-config ninja sassc cargo glib-devel autoconf automake libtool"
+makedepends="gdk-pixbuf-devel cairo-devel pango-devel graphene-devel gtk4-devel gtk4-layer-shell-devel rust-std libevdev-devel libinput-devel eudev-libudev-devel"
+short_desc="GTK based on screen display for keyboard shortcuts"
+maintainer="Stefan <s@omfm.ru>"
+license="GPL-3.0-only"
+homepage="https://github.com/ErikReider/SwayOSD"
+distfiles="https://github.com/ErikReider/SwayOSD/archive/refs/tags/v${version}.tar.gz"
+checksum=c53d7273259be424d6177690eea965bcdd362245bf968881f1e0294f0d0595b6
+
+post_patch() {
+	if [ "$CROSS_BUILD" ]; then
+		vsed -i src/meson.build \
+			-e "s|rust_target =|rust_target = '${RUST_TARGET}' / |"
+	fi
+}
+
+post_install() {
+	vsv swayosd-libinput-backend
+}