feat: Add component strucutre for calls and super basic livekit implementation

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

@@ -0,0 +1,3 @@
+export default function View() {
+  return <div>Focused</div>;
+}

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

@@ -0,0 +1,3 @@
+export default function View() {
+  return <div>Grid</div>;
+}

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

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+export default function Layout({ children }: { children: React.ReactNode }) {
+  return (
+    <div>
+      Layout
+      {children}
+    </div>
+  );
+}

packages/call/src/views/preview.tsx

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+import { useCall } from "../context";
+
+export default function Preview() {
+  const { currentCallData } = useCall();
+
+  return <div>Preview View {currentCallData?.someInfo}</div>;
+}