3.0.0-beta.2

• Add resumeRecorder and pauseRecorder features.
  • Caveat: Android now requires min sdk of 24.
• Renamed listener callback variables from snake_case to camelCase.
  • Below are return types.

    export type RecordBackType = {
      isRecording?: boolean;
      currentPosition: number;
      currentMetering?: number;
    };
    
    export type PlayBackType = {
      isMuted?: boolean;
      currentPosition: number;
      duration: number;
    };

Closes #15
Closes #268