feat: add initial release with installation instructions, service configuration, and man page

contrib/PKGBUILD

@@ -0,0 +1,34 @@
+# Maintainer: Your Name <your@email.com>
+pkgname=k-shrink
+pkgver=1.0.0
+pkgrel=1
+pkgdesc="Wayland clipboard daemon that automatically compresses copied images"
+arch=('x86_64' 'aarch64')
+url="https://github.com/GKaszewski/k-shrink"
+license=('MIT')
+depends=('wayland')
+makedepends=('rust' 'cargo')
+source=("$pkgname-$pkgver.tar.gz::$url/archive/v$pkgver.tar.gz")
+sha256sums=('SKIP')
+
+build() {
+    cd "$pkgname-$pkgver"
+    cargo build --release --locked
+}
+
+package() {
+    cd "$pkgname-$pkgver"
+
+    install -Dm755 "target/release/k-shrink" "$pkgdir/usr/bin/k-shrink"
+
+    # systemd user service (AUR path uses /usr/bin/k-shrink)
+    install -Dm644 "contrib/k-shrink.service" "$pkgdir/usr/lib/systemd/user/k-shrink.service"
+    sed -i 's|%h/.cargo/bin/k-shrink|/usr/bin/k-shrink|' \
+        "$pkgdir/usr/lib/systemd/user/k-shrink.service"
+
+    # man page
+    install -Dm644 "man/k-shrink.1" "$pkgdir/usr/share/man/man1/k-shrink.1"
+    gzip -9 "$pkgdir/usr/share/man/man1/k-shrink.1"
+
+    install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}

contrib/k-shrink.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=k-shrink clipboard image compressor
+Documentation=man:k-shrink(1)
+PartOf=graphical-session.target
+After=graphical-session.target
+
+[Service]
+ExecStart=%h/.cargo/bin/k-shrink
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=graphical-session.target