feat: add group_id field on analytics

[aldy505]

@ronnygunawan requested this

[codecov]

Codecov Report

Merging #23 (cebeed0) into master (3f82375) will increase coverage by 1.66%.
The diff coverage is 72.46%.

@@            Coverage Diff             @@
##           master      #23      +/-   ##
==========================================
+ Coverage   46.93%   48.60%   +1.66%     
==========================================
  Files          13       13              
  Lines         637      679      +42     
==========================================
+ Hits          299      330      +31     
- Misses        280      288       +8     
- Partials       58       61       +3     

Impacted Files	Coverage Δ
analytics/server/server.go	0.00% <ø> (ø)
analytics/fetch.go	35.71% <27.27%> (ø)
analytics/migration.go	66.33% <50.00%> (-1.80%)	⬇️
analytics/parser.go	82.35% <80.00%> (-17.65%)	⬇️
analytics/incr.go	66.19% <100.00%> (+0.48%)	⬆️
analytics/join.go	62.74% <100.00%> (+0.74%)	⬆️
analytics/msg.go	81.25% <100.00%> (+2.67%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3f82375...cebeed0. Read the comment docs.

[ronnygunawan]

Fr***ing approve!!

[elianiva]