Add logic from handling error during download and informaing client web app via notification queue

[deepaerial]

No description provided.

[codecov-commenter]

Codecov Report

Merging #5 (f73de4b) into master (e23792f) will increase coverage by 0.73%.
The diff coverage is 97.95%.

❗ Current head f73de4b differs from pull request most recent head 77608c7. Consider uploading reports for the commit 77608c7 to get more accurate results

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@@            Coverage Diff             @@
##           master       #5      +/-   ##
==========================================
+ Coverage   91.94%   92.68%   +0.73%     
==========================================
  Files          18       18              
  Lines         633      656      +23     
==========================================
+ Hits          582      608      +26     
+ Misses         51       48       -3     

Impacted Files	Coverage Δ
ytdl_api/datasource.py	92.77% <90.90%> (-0.57%)	⬇️
ytdl_api/callbacks.py	100.00% <100.00%> (ø)
ytdl_api/constants.py	92.59% <100.00%> (+0.28%)	⬆️
ytdl_api/dependencies.py	96.29% <100.00%> (+0.14%)	⬆️
ytdl_api/downloaders.py	98.24% <100.00%> (+7.33%)	⬆️
ytdl_api/queue.py	83.33% <100.00%> (ø)
ytdl_api/schemas/models.py	100.00% <100.00%> (ø)