setup electron multi-window architecture (#102)

* prototype with two windows

* use deps in separate window render process

* enhance autoplay into desktop overlay

* fix: autoplay window not applying tailwind styles

js/src/electron.d.ts

@@ -1,4 +1,5 @@
 import type { LinkMetadata } from './lib/link-metadata';
+import type { AutoplayPayload } from './lib/autoplay-ipc';
 
 declare global {
   interface Window {
@@ -7,6 +8,15 @@ declare global {
       maximize: () => void;
       fullscreen: () => void;
       close: () => void;
+      openHuddle: () => void;
+      closeHuddle: () => void;
+    };
+    electronAutoplay: {
+      play: (payload: AutoplayPayload) => void;
+      dismiss: () => void;
+      navigate: (data: { networkId: string; streamId: string }) => void;
+      onPlay: (callback: (payload: AutoplayPayload) => void) => () => void;
+      onNavigate: (callback: (data: { networkId: string; streamId: string }) => void) => () => void;
     };
     electronLink: {
       fetchMetadata: (url: string) => Promise<LinkMetadata | null>;