TP-Link Kasa

new in v1.7.0

TP-Link Kasa non-standard protocol more info.

• username - urlsafe email, alex@gmail.com -> alex%40gmail.com
• password - base64password, secret1 -> c2VjcmV0MQ==

streams:
  kc401: kasa://username:password@192.168.1.123:19443/https/stream/mixed

Tested: KD110, KC200, KC401, KC420WS, EC71.