add(sidebar): update grammar and selfextend

Author: hahuyhoang411

docs/docs/features/grammar.md

@@ -18,7 +18,7 @@ To get a clearer picture, check out [this guide](https://github.com/ggerganov/ll
 
 To make your Nitro model follow specific speaking or writing rules, use this command:
 
-```bash title="Nitro Inference With Grammar" {9}
+```bash title="Nitro Inference With Grammar" {10}
 curl http://localhost:3928/v1/chat/completions \
   -H "Content-Type: application/json" \
   -d '{

docs/sidebars.js

@@ -52,7 +52,9 @@ const sidebars = {
         "features/load-unload",
         "features/warmup",
         "features/prompt",
-        "features/log"
+        "features/log",
+        "features/self-extend",
+        "features/grammar",
       ],
     },
     {