Merge pull request #21 from chowder/feature/auth-refactor

Refactor authenticator and config setup

Fix saving configs

Use Twitch app headers to bypass integrity checks

Add Dockerfile and Docker builds on GitHub Actions

Apply go mod tidy

Add Client-Session-Id and Client-Version headers

Merge twitch.Client and config.Config

Fix transaction ID generator

Reformat GQL operations into request and response files

Added a notification channel to the rewards app

Redemption errors are now propagated back to the user

Rewards app now shows remaining channel points

Config now fetches auth token context

Fix models for CommunityPointsUser and CommunityMomentsChannel

Fix Moments miner

Fix Moments miner

Added tests for certain pubsub responses

Better error propagation