feat(api-gateway): add createdAt, updatedAt into default GraphQL schema

[boomspeed94]

No description provided.

[codecov-io]

Codecov Report

Merging #124 (b3099c9) into develop (f2fcf20) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop     #124      +/-   ##
===========================================
+ Coverage    95.16%   95.17%   +0.01%     
===========================================
  Files           69       69              
  Lines         1096     1099       +3     
  Branches       129      129              
===========================================
+ Hits          1043     1046       +3     
  Misses          53       53              

Impacted Files	Coverage Δ
packages/api-gateway/src/graphql-relay.ts	100.00% <100.00%> (ø)

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