tapo-go

Merge pull request #2 from holmesb/power_strip

feat: add PowerStrip type for P304M smart power strips. Adds p_strip.go with NewPowerStrip() and GetSockets(). Uses KLAP and control_child/multipleRequest for per-socket energy. Tested on P304M firmware 1.0.9.

Added sleep after unsuccessful request

Added ctx support to all methods. Simplified retry logic

Added retry support for AES transport