update docs

Author: wu-clan

vercel.json

@@ -1,8 +1,19 @@
 {
   "rewrites": [
+    {
+      "source": "/",
+      "destination": "/fastapi_best_architecture_docs/index.html"
+    },
     {
       "source": "/(.*)",
       "destination": "/fastapi_best_architecture_docs/$1"
     }
+  ],
+  "redirects": [
+    {
+      "source": "/fastapi_best_architecture_docs",
+      "destination": "/fastapi_best_architecture_docs/",
+      "permanent": true
+    }
   ]
 }