Notify context

[SchrodingersGat]

Adds context-aware content to the notification email templates, which allows greater detail in the generated template.

TODO

• Unit tests for items received email template
• Ensure correct entries are rendered into email when items are received

[netlify]

✅ Deploy Preview for inventree-web-pui-preview canceled.

Name	Link
🔨 Latest commit	0468d8b
🔍 Latest deploy log	https://app.netlify.com/projects/inventree-web-pui-preview/deploys/69d975b3affe9e0008851c12

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.37%. Comparing base (e6e775c) to head (0468d8b).

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #11481      +/-   ##
==========================================
- Coverage   91.38%   91.37%   -0.01%     
==========================================
  Files         966      966              
  Lines       50086    50087       +1     
==========================================
- Hits        45772    45769       -3     
- Misses       4314     4318       +4     

Flag	Coverage Δ
backend	89.26% <100.00%> (-0.01%)	⬇️

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Components	Coverage Δ
Backend Apps	91.73% <ø> (ø)
Backend General	93.34% <ø> (ø)
Frontend	∅ <ø> (∅)

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