Update readme: format output in indented way

README.md

@@ -62,9 +62,26 @@ For example:
 This is the sample data that you might get after the crawl is over.
 ```
 >>> head dblp_json.jl
-{"coauthors_name_list": ["Siddhartha Anand", "Partha Basuchowdhuri", "Subhashis Majumder", "Sanjoy Kumar Saha", "Diksha Roy Srivastava"], "coauthor_communities_list": ["show coauthor community: group 1", "show coauthor community: group 1", "show coauthor community: group 1", "show coauthor community: group 1", "show coauthor community: group 1"], "author_name": "Riya Roy", "author_articles_published": ["Spanning tree-based fast community detection methods in social networks."]}
-{"coauthors_name_list": ["Partha Basuchowdhuri", "Subhashis Majumder", "V. K. Lakshan Prabhu", "Sanjoy Kumar Saha"], "coauthor_communities_list": ["show coauthor community: group 1", "show coauthor community: group 1", "show coauthor community: group 1", "show coauthor community: group 1"], "author_name": "Mithun Roy", "author_articles_published": ["Unified scheme for finding disjoint and overlapping communities in social networks using strength of ties."]}
-{"coauthors_name_list": ["Partha Basuchowdhuri", "Subhashis Majumder", "Mithun Roy", "Sanjoy Kumar Saha"], "coauthor_communities_list": ["show coauthor community: group 1", "show coauthor community: group 1", "show coauthor community: group 1", "show coauthor community: group 1"], "author_name": "V. K. Lakshan Prabhu", "author_articles_published": ["Unified scheme for finding disjoint and overlapping communities in social networks using strength of ties."]}
+{
+    "author_articles_published": [
+        "Spanning tree-based fast community detection methods in social networks."
+    ],
+    "author_name": "Siddhartha Anand",
+    "coauthor_communities_list": [
+        "show coauthor community: group 1",
+        "show coauthor community: group 1",
+        "show coauthor community: group 1",
+        "show coauthor community: group 1",
+        "show coauthor community: group 1"
+    ],
+    "coauthors_name_list": [
+        "Partha Basuchowdhuri",
+        "Subhashis Majumder",
+        "Riya Roy",
+        "Sanjoy Kumar Saha",
+        "Diksha Roy Srivastava"
+    ]
+}
 ...
 ```
 ## Authors