feat: add Cleanflix Connector Tauri desktop app

Move the Mac Tauri UI (pro.cleanflix.connector) into this repo under desktop/. Bundled Node runtime stays gitignored; package scripts fetch it when building.

desktop/src/main.js

@@ -0,0 +1,37 @@
+const form = document.querySelector('#connector-form');
+const status = document.querySelector('#status');
+const mediaRoot = form.elements.namedItem('mediaRoot');
+const pairingPassword = form.elements.namedItem('pairingPassword');
+const linkAccount = document.querySelector('#link-account');
+
+document.querySelector('#browse-folder').addEventListener('click', async () => {
+  const folder = await window.__TAURI__.core.invoke('pick_media_folder');
+  if (folder) mediaRoot.value = folder;
+});
+
+form.addEventListener('submit', async (event) => {
+  event.preventDefault();
+  status.textContent = 'Saving your connector setup…';
+  const config = Object.fromEntries(new FormData(form));
+  try {
+    await window.__TAURI__.core.invoke('save_connector_config', { config });
+    localStorage.setItem('cleanflix.connector.mediaRoot', config.mediaRoot);
+    await window.__TAURI__.core.invoke('start_connector');
+    status.textContent = 'Saved securely. The connector is running and ready to pair.';
+  } catch (error) { status.textContent = error; }
+});
+
+linkAccount.addEventListener('click', async () => {
+  try {
+    const linkUrl = await window.__TAURI__.core.invoke('get_cleanflix_link_url');
+    await window.__TAURI__.opener.openUrl(linkUrl);
+    status.textContent = 'Finish signing in with Cleanflix in your browser.';
+  } catch (error) { status.textContent = error; }
+});
+
+const setup = await window.__TAURI__.core.invoke('get_connector_setup');
+if (setup.mediaRoot) mediaRoot.value = setup.mediaRoot;
+if (setup.passwordConfigured) {
+  pairingPassword.placeholder = 'Password already set (enter only to change it)';
+  status.textContent = 'Saved connector setup is running.';
+}