Add intercept feature to README

Author: dstotijn

README.md

@@ -17,6 +17,7 @@ features tailored to the needs of the infosec and bug bounty community.
 
 - Machine-in-the-middle (MITM) HTTP proxy, with logs and advanced search
 - HTTP client for manually creating/editing requests, and replay proxied requests
+- Intercept requests and responses for manual review (edit, send/receive, cancel)
 - Scope support, to help keep work organized
 - Easy-to-use web based admin interface
 - Project based database storage, to help keep work organized