docs: fix readme according to repo name when it's cloned

README.md

@@ -28,7 +28,7 @@ This role doesn't have any dependencies to other roles.
     freshrss_checksum: "99fd1d0e6f506832e6600c98e4c9369edad6bfec715df9b1b7c8c3eb6a455c22"
     freshrss_refresh_interval: 10
   roles:
-    - freshrss
+    - ansible-role-freshrss
 ```
 
 ## Variables