Update .code-samples.meilisearch.yaml

Author: curquiza

.code-samples.meilisearch.yaml

@@ -395,9 +395,12 @@ getting_started_add_documents_md: |-
   ```toml
     [dependencies]
     meilisearch-sdk = "0.5"
-    futures = "0.3"                                     # because we want to block on futures
-    serde = { version="1.0",   features = ["derive"] }  # required if you are going to use documents
-    serde_json = "1.0"                                  # required in some parts of this guide
+    # futures: because we want to block on futures
+    futures = "0.3"
+    # serde: required if you are going to use documents
+    serde = { version="1.0",   features = ["derive"] } 
+    # serde_json: required in some parts of this guide
+    serde_json = "1.0"  
   ```
 
   Documents in the Rust library are strongly typed.