docs(README): add http-no-body flag (#35)

Author: sashamelentyev

README.md

@@ -37,6 +37,8 @@ Flags:
         print analyzer flags in JSON
   -http-method
         suggest the use of http.MethodXX (default true)
+  -http-no-body
+        suggest the use of http.NoBody
   -http-status-code
         suggest the use of http.StatusXX (default true)
   -json