goal node create improvements

[algorandskiy]

Summary

1. --full-config options allows saving config file with all options, not only non-default.
2. Embed genesis.json for mainnet, testnet, betanet, devnet

Test Plan

Tested manually

[codecov-commenter]

Codecov Report

Merging #3639 (7035846) into master (c6c6e8b) will increase coverage by 1.75%.
The diff coverage is 99.18%.

@@            Coverage Diff             @@
##           master    #3639      +/-   ##
==========================================
+ Coverage   48.06%   49.82%   +1.75%     
==========================================
  Files         381      382       +1     
  Lines       62080    64264    +2184     
==========================================
+ Hits        29841    32019    +2178     
- Misses      28818    28823       +5     
- Partials     3421     3422       +1     

Impacted Files	Coverage Δ
config/localTemplate.go	42.85% <0.00%> (-7.15%)	⬇️
cmd/goal/node.go	10.90% <6.66%> (+0.39%)	⬆️
cmd/goal/bundledGenesisInject.go	100.00% <100.00%> (ø)
network/wsPeer.go	65.83% <0.00%> (-3.34%)	⬇️
data/abi/abi_type.go	87.67% <0.00%> (-0.95%)	⬇️
catchup/service.go	69.38% <0.00%> (-0.75%)	⬇️
network/wsNetwork.go	62.99% <0.00%> (+0.19%)	⬆️
network/requestTracker.go	71.12% <0.00%> (+0.86%)	⬆️
data/transactions/verify/txn.go	45.02% <0.00%> (+0.86%)	⬆️
ledger/blockqueue.go	85.05% <0.00%> (+2.87%)	⬆️

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[jasonpaulos]

Changes make sense to me

[algorandskiy]

@tsachiherman followed your suggestion and embedded genesis files.

[winder]

LGTM

[algorandskiy]

Closes #1686

[tsachiherman]

looks good.