feat(BUX-512): checking pulse connection on startup & enabled Beef as default

[chris-4chain]

Pull Request Checklist

• 📖 I created my PR using provided : CODE_STANDARDS
• 📖 I have read the short Code of Conduct: CODE_OF_CONDUCT
• 🏠 I tested my changes locally.
• ✅ I have provided tests for my changes.
• 📝 I have used conventional commits.
• 📗 I have updated any related documentation.
• 💾 PR was issued based on the Github or Jira issue.

[mergify]

Welcome to our open-source project @chris-4chain! 💘

[codecov]

Codecov Report

Attention: 47 lines in your changes are missing coverage. Please review.

Comparison is base (8675080) 40.58% compared to head (4e63f75) 39.64%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #423      +/-   ##
==========================================
- Coverage   40.58%   39.64%   -0.95%     
==========================================
  Files          46       47       +1     
  Lines        1663     1710      +47     
==========================================
+ Hits          675      678       +3     
- Misses        947      992      +45     
+ Partials       41       40       -1     

Flag	Coverage Δ
unittests	39.64% <2.08%> (-0.95%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
config/defaults.go	100.00% <100.00%> (ø)
config/check_pulse.go	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

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