Feature Request

• Expose customization hooks
• Add deprecation notes for Context/HOC-based access
• Add test for reference grammar ID
  • Mock DirectLineJS to return referenceGrammarID
  • Expect: Web Chat should pass referenceGrammarID to webSpeechPonyfillFactory

Expose customization hooks

• General hooks
  • useActivities
  • useAdaptiveCardsHostConfig
  • useAdaptiveCardsPackage
  • useAvatarForBot
  • useAvatarForUser
  • useConnectivityStatus
  • useDictateInterims
  • useDictateState
  • useDisabled
  • useEmitTypingIndicator
  • useFocusSendBox
  • useGrammars
  • useGroupTimestamp
  • useLanguage
  • useLastTypingAt
  • useLocalize
  • useMarkActivityAsSpoken
  • usePerformCardAction
  • usePostActivity
  • useReferenceGrammarID
  • useRenderActivity
  • useRenderAttachment
  • useRenderMarkdownAsHTML
  • useScrollToEnd
  • useSendBoxValue
  • useSendEvent
  • useSendFiles
  • useSendMessage
  • useSendMessageBack
  • useSendPostBack
  • useSendTypingIndicator
  • useShouldSpeakIncomingActivity
  • useStartDictate
  • useStopDictate
  • useStyleOptions
  • useStyleSet
  • useSubmitSendBox
  • useSuggestedActions
  • useTimeoutForSend
  • useUserID
  • useUsername
  • useVoiceSelector
  • useWebSpeechPonyfill
• Component-specific hooks
  • useMicrophoneButtonClick
  • useMicrophoneButtonDisabled
  • useSendBoxDictationStarted
  • useTextBoxSubmit
  • useTextBoxValue
  • useTypingIndicatorVisible
  • useUploadButtonSendFiles

[Enhancement]