Restructure app and move into files

PKGBUILD

@@ -1,15 +0,0 @@
-pkgname=recoder
-pkgver=1.0
-pkgrel=1
-pkgdesc="GTK4/libadwaita Video Recoder for DaVinci Resolve"
-arch=('any')
-url="https://example.com"
-license=('MIT')
-depends=('python' 'python-gobject' 'gtk4' 'libadwaita')
-source=('recoder.py' 'recoder.desktop')
-sha256sums=('SKIP' 'SKIP')
-
-package() {
-    install -Dm755 "recoder.py" "$pkgdir/usr/bin/recoder"
-    install -Dm644 "recoder.desktop" "$pkgdir/usr/share/applications/recoder.desktop"
-}