(feat): initial stuff

apps/showcase/src/main.tsx

@@ -0,0 +1,14 @@
+import { StrictMode } from "react";
+import { createRoot } from "react-dom/client";
+import { ThemeProvider } from "@methanium/ui";
+
+import App from "./App";
+import "./index.css";
+
+createRoot(document.getElementById("root")!).render(
+  <StrictMode>
+    <ThemeProvider>
+      <App />
+    </ThemeProvider>
+  </StrictMode>,
+);