Initial commit :

• Added meta-rdk-voice layer
• Added skill mapper module with JSON RPC mapping and LED state control commands
• systemd services for alexa service

Fixes and skill addition:

• Added skill mapping for Volume Up, Down, Mute, Unmute and show/hide video functionalities

Support for AVS Thunder plugin:

• Build support added for the AVS Plugin (Currently compatible with SDK 1.15)
• Switch between AVS service and plugin using DISTRO alexa-plugin
• Add support to build AVS SampleApp as library

Added Video skill kit support & custom skill with the plugin

• RDK Skill mapper supports custom skill invocation through plugin
• Skill mapper module can now handle below Video Skill Kit directive
  • Speaker
  • App Launch
  • Channel Controller
  • Playback Controller
  • Keypad Controller
• Communication with lambda service from RDK client through SQS
• Build support for KWD
• integration of AWS CPP SDK