Enable explorer in the local delegate/fullnode config

[zjshen14]

No description provided.

[codecov]

Codecov Report

Merging #313 into master will increase coverage by 0.09%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #313      +/-   ##
==========================================
+ Coverage   63.18%   63.27%   +0.09%     
==========================================
  Files         108      108              
  Lines       10985    10991       +6     
==========================================
+ Hits         6941     6955      +14     
+ Misses       3081     3071      -10     
- Partials      963      965       +2

Impacted Files	Coverage Δ
server/itx/server.go	0% <0%> (ø)	⬆️
explorer/explorer.go	59.3% <0%> (-0.17%)	⬇️
network/peermanager.go	46.73% <0%> (+5.43%)	⬆️
network/healthchecker.go	66.66% <0%> (+16.66%)	⬆️
network/pinger.go	50% <0%> (+37.5%)	⬆️

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