add transcript viewer

[chidiwilliams]

• feat: add transcript viewer
• feat: add transcript viewer

[codecov]

Codecov Report

Attention: Patch coverage is 93.58289% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 74.13%. Comparing base (8ae8300) to head (0c3677d).

Files	Patch %	Lines
...ranscription_viewer/transcription_viewer_widget.py	84.78%	7 Missing ⚠️
buzz/widgets/main_window.py	60.00%	2 Missing ⚠️
buzz/db/dao/dao.py	92.85%	1 Missing ⚠️
buzz/widgets/application.py	50.00%	1 Missing ⚠️
.../transcription_viewer/export_transcription_menu.py	95.65%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #686      +/-   ##
==========================================
- Coverage   79.90%   74.13%   -5.78%     
==========================================
  Files          81       82       +1     
  Lines        3748     3828      +80     
==========================================
- Hits         2995     2838     -157     
- Misses        753      990     +237     

Flag	Coverage Δ
Linux	74.13% <93.58%> (+0.44%)	⬆️
Windows	?

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