Add link to OS Firmware commit.

[ConnorRigby]

There may be a better way of doing this.

[codecov]

Codecov Report

Merging #980 into staging will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           staging     #980      +/-   ##
===========================================
+ Coverage     95.2%   95.23%   +0.02%     
===========================================
  Files          216      216              
  Lines         4342     4342              
===========================================
+ Hits          4134     4135       +1     
+ Misses         208      207       -1

Impacted Files	Coverage Δ
app/models/edge_node.rb	95.65% <0%> (+4.34%)	⬆️

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[coveralls]

Coverage remained the same at 93.595% when pulling f96801a on fbos-commit-link into dc5093d on staging.

[coveralls]

Coverage remained the same at 93.595% when pulling f96801a on fbos-commit-link into dc5093d on staging.