fix(aur): install unit/udev from srcdir root to match source paths; bump pkgrel 3

packaging/.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = streamdeck-lets-go-git
 	pkgdesc = Lightweight daemon for controlling Elgato Stream Deck devices with a built-in web UI
 	pkgver = 0.1.0
-	pkgrel = 2
+	pkgrel = 3
 	url = https://github.com/totmin/streamdeck-lets-go
 	arch = x86_64
 	arch = aarch64

packaging/PKGBUILD

@@ -3,7 +3,7 @@
 pkgname=streamdeck-lets-go-git
 _giturl=https://github.com/totmin/streamdeck-lets-go.git
 pkgver=0.1.0
-pkgrel=2
+pkgrel=3
 pkgdesc="Lightweight daemon for controlling Elgato Stream Deck devices with a built-in web UI"
 arch=('x86_64' 'aarch64')
 url="https://github.com/totmin/streamdeck-lets-go"
@@ -40,9 +40,9 @@ package() {
 
   install -Dm755 streamdeck-lets-go "${pkgdir}/usr/bin/streamdeck-lets-go"
 
-  install -Dm644 "${srcdir}/packaging/streamdeck-lets-go.service" \
+  install -Dm644 "${srcdir}/streamdeck-lets-go.service" \
     "${pkgdir}/usr/lib/systemd/user/streamdeck-lets-go.service"
 
-  install -Dm644 "${srcdir}/packaging/90-streamdeck.rules" \
+  install -Dm644 "${srcdir}/90-streamdeck.rules" \
     "${pkgdir}/usr/lib/udev/rules.d/90-streamdeck.rules"
 }