Merge pull request #61 from drona-gyawali/api/as_name

doc(GB): Added as_name to asn aggregated feed

Author: regulartim

docs/GreedyBear/Usage.md

@@ -120,6 +120,7 @@ https://<greedybear_site>/api/feeds/asn/?<query_params>
 - Response (200): JSON array of ASN aggregation objects. Each object containing:
 
   - `asn` (int): ASN number.
+  - `as_name` (str)`: Autonomous System Name _(Available from version >= 3.3.0)_
   - `ioc_count` (int): Number of IOCs for this ASN.
   - `total_attack_count` (int): Sum of attack_count for all IOCs.
   - `total_interaction_count` (int): Sum of interaction_count for all IOCs.