Add network monitoring module

[kevmo314]

Description

Reference issue

Fixes #...

[codecov]

Codecov Report

❌ Patch coverage is 26.14601% with 435 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.83%. Comparing base (56839aa) to head (9e32463).

Files with missing lines	Patch %	Lines
internal/netmon/monitor_linux.go	28.69%	251 Missing and 5 partials ⚠️
internal/netmon/monitor_stub.go	24.72%	133 Missing and 4 partials ⚠️
internal/netmon/events.go	0.00%	38 Missing ⚠️
internal/netmon/monitor.go	60.00%	4 Missing ⚠️

❌ Your patch check has failed because the patch coverage (26.14%) is below the target coverage (70.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #820      +/-   ##
==========================================
- Coverage   86.28%   80.83%   -5.46%     
==========================================
  Files          43       47       +4     
  Lines        5796     6385     +589     
==========================================
+ Hits         5001     5161     +160     
- Misses        627     1046     +419     
- Partials      168      178      +10     

Flag	Coverage Δ
go	82.37% <26.78%> (-3.81%)	⬇️
wasm	32.76% <20.43%> (-0.49%)	⬇️

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