Migrate tauri from portmaster-ui to desktop/tauri. Update build system

desktop/tauri/src-tauri/Cargo.toml

@@ -0,0 +1,75 @@
+[package]
+name = "app"
+version = "0.1.0"
+description = "Portmaster UI"
+authors = ["Safing"]
+license = ""
+repository = ""
+default-run = "app"
+edition = "2021"
+rust-version = "1.60"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[build-dependencies]
+tauri-build = { version = "2.0.0-alpha", features = [] }
+
+[dependencies]
+# Tauri
+tauri = { version = "2.0.0-alpha", features = ["tray-icon", "icon-ico", "icon-png"] }
+tauri-plugin-shell = "2.0.0-alpha"
+tauri-plugin-dialog = "2.0.0-alpha"
+tauri-plugin-clipboard-manager = "2.0.0-alpha"
+tauri-plugin-os = "2.0.0-alpha"
+tauri-plugin-single-instance = "2.0.0-alpha"
+tauri-plugin-cli = "2.0.0-alpha"
+tauri-plugin-notification = "2.0.0-alpha"
+
+# We still need the tauri-cli 1.5 for building
+tauri-cli = "1.5.11"
+
+# General
+serde_json = "1.0"
+serde = { version = "1.0", features = ["derive"] }
+futures-util = { version = "0.3", features = ["sink"] }
+dirs = "1.0"
+rust-ini = "0.20.0"
+dataurl = "0.1.2"
+uuid = "1.6.1"
+lazy_static = "1.4.0"
+tokio = { version = "1.35.0", features = ["macros"] }
+cached = "0.46.1"
+notify-rust = "4.10.0"
+assert_matches = "1.5.0"
+tokio-websockets = { version = "0.5.0", features = ["client", "ring", "rand"] }
+sha = "1.0.3"
+http = "1.0.0"
+url = "2.5.0"
+thiserror = "1.0"
+log = "0.4.21"
+pretty_env_logger = "0.5.0"
+
+# Linux only
+[target.'cfg(target_os = "linux")'.dependencies]
+glib = "0.18.4"
+gtk-sys = "0.18.0"
+glib-sys = "0.18.1"
+gdk-pixbuf = "0.18.3"
+gdk-pixbuf-sys = "0.18.0"
+gio-sys = "0.18.1"
+
+# Windows only
+[target.'cfg(target_os = "windows")'.dependencies]
+windows-service = "0.6.0"
+windows = { version = "0.54.0", features = ["Win32_Foundation", "Win32_UI_Shell", "Win32_UI_WindowsAndMessaging"] }
+
+[dev-dependencies]
+which = "6.0.0"
+gtk = "0.18"
+ctor = "0.2.6"
+
+[features]
+# this feature is used for production builds or when `devPath` points to the filesystem and the built-in dev server is disabled.
+# If you use cargo directly instead of tauri's cli you can use this feature flag to switch between tauri's `dev` and `build` modes.
+# DO NOT REMOVE!!
+custom-protocol = [ "tauri/custom-protocol" ]