App architecture modifications.

Now GUI and the app itself is divided into two different binaries.
The app also provides system tray icon.
Whereas the GUI can be used to configure the app.

gui/vite.config.ts

@@ -0,0 +1,45 @@
+import { defineConfig } from "vite";
+import { svelte } from "@sveltejs/vite-plugin-svelte";
+import sveltePreprocess from "svelte-preprocess";
+import tsconfigPaths from 'vite-tsconfig-paths'
+
+// https://vitejs.dev/config/
+export default defineConfig(async () => ({
+  plugins: [
+    svelte({
+      preprocess: [
+        sveltePreprocess({
+          typescript: true,
+        }),
+      ],
+      onwarn: (warning, handler) => {
+        const { code, frame } = warning;
+        if (code === "css-unused-selector")
+            return;
+
+        handler(warning);
+      },
+    }),
+    tsconfigPaths()
+  ],
+
+  // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
+  // prevent vite from obscuring rust errors
+  clearScreen: false,
+  // tauri expects a fixed port, fail if that port is not available
+  server: {
+    port: 1420,
+    strictPort: true,
+  },
+  // to make use of `TAURI_DEBUG` and other env variables
+  // https://tauri.studio/v1/api/config#buildconfig.beforedevcommand
+  envPrefix: ["VITE_", "TAURI_"],
+  build: {
+    // Tauri supports es2021
+    target: process.env.TAURI_PLATFORM == "windows" ? "chrome105" : "safari13",
+    // don't minify for debug builds
+    minify: !process.env.TAURI_DEBUG ? "esbuild" : false,
+    // produce sourcemaps for debug builds
+    sourcemap: !!process.env.TAURI_DEBUG,
+  },
+}));