chore: fix readme with automated script

Author: washbin

README.md

@@ -138,22 +138,18 @@ println!("{:?}", client.index("movies_2").search().with_query("caorl").execute::
 ```
 
 Output:
-
 ```
 [Movie { id: 1, title: String::from("Carol"), genres: vec!["Romance", "Drama"] }]
 ```
 
 Json output:
-
 ```json
 {
-  "hits": [
-    {
-      "id": 1,
-      "title": "Carol",
-      "genres": ["Romance", "Drama"]
-    }
-  ],
+  "hits": [{
+    "id": 1,
+    "title": "Carol",
+    "genres": ["Romance", "Drama"]
+  }],
   "offset": 0,
   "limit": 10,
   "processingTimeMs": 1,
@@ -175,24 +171,23 @@ println!("{:?}", search_result.hits);
 ```
 
 Json output:
-
 ```json
 {
-  "hits": [
-    {
-      "id": 6,
-      "title": "Philadelphia",
-      "_formatted": {
-        "id": 6,
-        "title": "<em>Phil</em>adelphia",
-        "genre": ["Drama"]
-      }
-    }
-  ],
-  "offset": 0,
-  "limit": 20,
-  "processingTimeMs": 0,
-  "query": "phil"
+    "hits": [
+        {
+            "id": 6,
+            "title": "Philadelphia",
+            "_formatted": {
+                "id": 6,
+                "title": "<em>Phil</em>adelphia",
+                "genre": ["Drama"]
+            }
+        }
+    ],
+    "offset": 0,
+    "limit": 20,
+    "processingTimeMs": 0,
+    "query": "phil"
 }
 ```
 
@@ -227,7 +222,6 @@ println!("{:?}", search_result.hits);
 ```
 
 Json output:
-
 ```json
 {
   "hits": [