Add power protection entities for tplink (#132267)

homeassistant/components/tplink/binary_sensor.py

homeassistant/components/tplink/number.py

homeassistant/components/tplink/strings.json

tests/components/tplink/fixtures/features.json

tests/components/tplink/snapshots/test_binary_sensor.ambr

tests/components/tplink/snapshots/test_number.ambr