feat: flatpak and flutter build

flutter/PKGBUILD

@@ -0,0 +1,33 @@
+pkgname=rustdesk
+pkgver=1.2.0
+pkgrel=0
+epoch=
+pkgdesc=""
+arch=('x86_64')
+url=""
+license=('GPL-3.0')
+groups=()
+depends=('gtk3' 'xdotool' 'libxcb' 'libxfixes' 'alsa-lib' 'pulseaudio' 'ttf-arphic-uming' 'python-pip' 'curl' 'libappindicator-gtk3')
+makedepends=()
+checkdepends=()
+optdepends=()
+provides=()
+conflicts=()
+replaces=()
+backup=()
+options=()
+install=../pacman_install
+changelog=
+noextract=()
+md5sums=() #generate with 'makepkg -g'
+
+package() {
+	mkdir -p "${pkgdir}/usr/lib/rustdesk" && cp -r ${HBB}/build/linux/x64/release/bundle/* -t "${pkgdir}/usr/lib/rustdesk"
+	cp ${HBB}/build/linux/x64/release/liblibrustdesk.so  "${pkgdir}/usr/lib/rustdesk/librustdesk.so"
+  mkdir -p "${pkgdir}/usr/bin"
+  pushd ${pkgdir} && ln -s /usr/lib/rustdesk/flutter_hbb usr/bin/rustdesk && popd
+  install -Dm 644 $HBB/rustdesk.service -t "${pkgdir}/usr/share/rustdesk/files"
+  install -Dm 644 $HBB/rustdesk.desktop -t "${pkgdir}/usr/share/rustdesk/files"
+  # install -Dm 644 $HBB/../pynput_service.py -t "${pkgdir}/usr/share/rustdesk/files"
+  install -Dm 644 $HBB/../128x128@2x.png "${pkgdir}/usr/share/rustdesk/files/rustdesk.png"
+}

flutter/rustdesk.service.user

@@ -0,0 +1,15 @@
+[Unit]
+Description=RustDesk user service (--server)
+
+[Service]
+Type=simple
+ExecStart=/usr/lib/rustdesk/flutter_hbb --server
+PIDFile=/run/rustdesk.user.pid
+KillMode=mixed
+TimeoutStopSec=30
+LimitNOFILE=100000
+Restart=on-failure
+RestartSec=3
+
+[Install]
+WantedBy=multi-user.target