Initial WindowGrid KWin effect for Plasma 6

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

PKGBUILD

@@ -0,0 +1,20 @@
+# Maintainer: Chris <work@cdnutter.org>
+pkgname=plasma-windowgrid
+pkgver=0.1.0
+pkgrel=1
+pkgdesc='WindowGrid-style grid snapping KWin effect for Plasma 6 (Wayland)'
+arch=(x86_64)
+url='https://git.iamchrisama.com/cdnutter/plasma-windowgrid'
+license=(GPL-3.0-or-later)
+depends=(kwin libepoxy kconfig kcoreaddons qt6-base)
+makedepends=(cmake extra-cmake-modules)
+source=()
+
+build() {
+  cmake -S "$startdir" -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr
+  cmake --build build
+}
+
+package() {
+  DESTDIR="$pkgdir" cmake --install build
+}