Add explainer for quality levels proposal (#183)

Update on-device explainer with changes + languages (#171)

Replace SpeechRecognitionPhraseList with an ObservableArray (#169)

Replace SpeechRecognitionPhraseList with ObservableArray in explainer (#170)

Update start session algorithm to fire not-allowed error if microphone access is denied (#166)

Add explainer for contextual biasing (#167)

Add deprecated grammar support back (#163)

Gate available() and install() behind a policy (#164)

Use DOM-phrasing to clarify the interface of error event (#160)

Update spec with latest on-device changes (#157)

Make SpeechRecognition objects [SecureContext] (#31)

Add use cases to the explainer (#154)

Update explainer (#153)

Warn about improper RFC2119 usage, and about example without id (#147)

Add Makefile to replicate CI (#146)