feat/#123 support get blockchain data from hyperion api

[danielvo11]

This merge did:

• create HyperionActionReader class to read data from Hyperion node
• create HyperionBlock to process block data of Hyperion node
• update example api gateway to use HyperionActionReader and update readme of that example
• update unit test

improvement compare with NodesActionReader:

• read inline actions and deferred transactions
• use http keep alive sockets, improve performance about 50%

[codecov-io]

Codecov Report

Merging #128 (61f4d83) into master (9d271e1) will increase coverage by 0.49%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #128      +/-   ##
==========================================
+ Coverage   95.15%   95.64%   +0.49%     
==========================================
  Files          69       72       +3     
  Lines        1093     1217     +124     
  Branches      126      155      +29     
==========================================
+ Hits         1040     1164     +124     
  Misses         53       53              

Impacted Files	Coverage Δ
packages/demux/src/HyperionActionReader.ts	100.00% <100.00%> (ø)
packages/demux/src/HyperionBlock.ts	100.00% <100.00%> (ø)
packages/demux/src/index.ts	100.00% <100.00%> (ø)
packages/demux/src/utils.ts	100.00% <100.00%> (ø)

---

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 9d271e1...61f4d83. Read the comment docs.