fix: remove Git LFS and restore original docs files

docs/app/docs/layout.tsx

@@ -1,3 +1,34 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7f80c2b0820c545af51eeea26ca87ebc8f0f93d4d7ebc325dc5c7d34023de279
-size 968
+import type { ReactNode } from 'react'
+import Link from 'next/link'
+import { DocsLayout } from 'fumadocs-ui/layouts/docs'
+import { GithubIcon } from 'lucide-react'
+import { source } from '@/lib/source'
+
+const GitHubLink = () => (
+  <div className="fixed bottom-4 left-4 z-50">
+    <Link
+      href="https://github.com/simstudioai/sim"
+      target="_blank"
+      rel="noopener noreferrer"
+      className="flex items-center justify-center w-8 h-8 rounded-full bg-background border border-border hover:bg-muted transition-colors"
+    >
+      <GithubIcon className="h-4 w-4" />
+    </Link>
+  </div>
+)
+
+export default function Layout({ children }: { children: ReactNode }) {
+  return (
+    <>
+      <DocsLayout
+        tree={source.pageTree}
+        nav={{
+          title: 'Sim Studio',
+        }}
+      >
+        {children}
+      </DocsLayout>
+      <GitHubLink />
+    </>
+  )
+}

package-lock.json

@@ -0,0 +1,6 @@
+{
+  "name": "sim",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}