Add new package which has scripts for ssid client ratelimiting.
Adds rules for ssid ratelimiting and client ratimiting based on
'wireless' config file options 'drate'(ssid dl), 'urate'(ssid ul),
'cdrate'(client dl), and 'curate' (client ul).
Signed-off-by: Chaitanya Kiran Godavarthi <chaitanya.kiran@connectus.ai>
