adding streaming playlist, web videos, user exports, and original video files buckets as configurable values

[jessebot]

Adds the following parameters for setting specific S3 buckets for PeerTube

peertube:
  s3:
    # -- s3 bucket for peertube to store streaming playlists
    streaming_playlists_bucket: ""
    # -- s3 bucket for peertube to store web videos
    web_videos_bucket: ""
    # -- s3 bucket for peertube to store user exports
    user_exports_bucket: ""
    # -- s3 bucket for peertube to store original video files
    original_video_files_bucket: ""
    # -- secret access key id for connecting to s3
    existingSecretKeys:
      # -- key in existing secret for s3 bucket for streaming playlists
      streaming_playlists_bucket: ""
      # -- key in existing secret for s3 bucket for web videos
      web_videos_bucket: ""
      # -- key in existing secret for s3 bucket for user exports
      user_exports_bucket: ""
      # -- key in existing secret for s3 bucket for original video files
      original_video_files_bucket: ""

[cloudymax]

great job!