daemon(deployment): integrate slack config

[bobheadxi]

🎟️ Ticket(s): Closes #621

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👷 Changes

• chore: fix counterfeiter runner
• daemon(notify): add equality checker
• daemon(deployment): integrate slack config

🔦 Testing Instructions

There are unit tests, set up slack workspace to try it out - see #585

[codecov]

Codecov Report

Merging #661 into master will decrease coverage by 0.15%.
The diff coverage is 77.78%.

@@            Coverage Diff             @@
##           master     #661      +/-   ##
==========================================
- Coverage   55.70%   55.55%   -0.14%     
==========================================
  Files          67       69       +2     
  Lines        3431     3478      +47     
==========================================
+ Hits         1911     1932      +21     
- Misses       1274     1300      +26     
  Partials      246      246              

Impacted Files	Coverage Δ
cfg/project.go	76.32% <ø> (ø)
daemon/inertiad/daemon/up.go	0.00% <0.00%> (ø)
daemon/inertiad/project/deployment.go	34.31% <85.72%> (+1.70%)	⬆️
client/client.go	73.73% <100.00%> (+0.42%)	⬆️
daemon/inertiad/notify/notifier.go	41.67% <100.00%> (ø)
daemon/inertiad/notify/slack.go	18.19% <100.00%> (ø)

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[suujia]

Looks good to me. Keep up the great work! 😀