chore: add examples folder to workspaces and make examples packages name unique (#125)

examples/with-mdx/src/routes/__root.tsx

@@ -0,0 +1,14 @@
+import type { ReactNode, JSX } from 'react'
+import { MDXProvider } from '@mdx-js/react'
+
+interface RootRouteProps {
+  children: ReactNode
+}
+
+export default function RootRoute({ children }: RootRouteProps): JSX.Element {
+  return (
+    <main className="main">
+      <MDXProvider components={{}}>{children}</MDXProvider>
+    </main>
+  )
+}

examples/with-mdx/src/routes/index.mdx

@@ -0,0 +1 @@
+# Index page