[Milestone] Release 2.1

[chrisbrickhouse]

• [x] #60
  • [x] #59
  • [ ] #66
• [ ] #69
  • [x] #61
  • [ ] #43
• [ ] #68
• [ ] #70
• [ ] #2
• [ ] Improve TranscriptProcessor.check_transcription_file()
  • [ ] #63
  • [ ] #64
• [x] #65

The above has the benefit of being used as a changelog once we release

[chrisbrickhouse]

This is tracked as an actual milestone now