(feat): add basic call ui

(feat): add screensharing (incl. broken desktop picker)
(qol): add todo

packages/call/src/views/main/layout.tsx

@@ -4,9 +4,15 @@ import TopBar from "../../components/top";
 export default function Layout({ children }: { children: React.ReactNode }) {
   return (
     <div className="w-full h-full flex flex-col">
-      <TopBar />
-      <div className="w-full h-full">{children}</div>
-      <Actions />
+      <div className="shrink-0">
+        <TopBar />
+      </div>
+      <div className="min-h-0 flex-1 w-full flex justify-center items-center overflow-hidden">
+        {children}
+      </div>
+      <div className="shrink-0 pb-4.5 pt-3">
+        <Actions />
+      </div>
     </div>
   );
 }