Custom updater modal (#1738)

* WIP: Custom updater modal
Fixes #1663

* First working example with data

* Clean up, moved code to index.tsx

* Clean up

* Nicer dialog

* Add relaunch dialog (macOS)

* max-height in case of a long text

* Clean up

* Add component tests and fix name consistency

* Update styling, re-add md parser

* Clean up

* Quick typo

* Clean up

* Rebase on tauri v2

* Clean up

* Add updater permissions

* Remove dialog from config

* Fix restart after install

src-tauri/src/main.rs

@@ -244,6 +244,7 @@ fn main() {
         .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_http::init())
         .plugin(tauri_plugin_os::init())
+        .plugin(tauri_plugin_process::init())
         .plugin(tauri_plugin_shell::init())
         .run(tauri::generate_context!())
         .expect("error while running tauri application");