[explorer/rest] feat: Added transaction list endpoint

[AnthonyLaw]

Problem: Missing transaction list endpoint.
Solution:

• Added /transactions endpoint, it support pagination and sort by height.
• It support filters height, transaction_types, address, sender address, recipient address, sender public key and mosaic.

[codecov]

Codecov Report

❌ Patch coverage is 99.13043% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 96.74%. Comparing base (2d14696) to head (9992839).

Files with missing lines	Patch %	Lines
explorer/rest/rest/db/NemDatabase.py	98.11%	1 Missing ⚠️

Additional details and impacted files

@@                   Coverage Diff                    @@
##           explorer/nem-backend    #2136      +/-   ##
========================================================
- Coverage                 97.02%   96.74%   -0.28%     
========================================================
  Files                       276      422     +146     
  Lines                     20103    30245   +10142     
  Branches                    215      695     +480     
========================================================
+ Hits                      19505    29261    +9756     
- Misses                      592      946     +354     
- Partials                      6       38      +32     

Flag	Coverage Δ
bridge	99.65% <ø> (ø)
explorer-frontend	95.00% <ø> (ø)
explorer-nodewatch	98.57% <ø> (ø)
explorer-puller	100.00% <100.00%> (ø)
explorer-rest	99.72% <99.07%> (-0.12%)	⬇️
faucet-authenticator	100.00% <ø> (ø)
faucet-backend	98.77% <ø> (ø)
faucet-frontend	100.00% <ø> (ø)
lightapi-python	98.68% <ø> (ø)
tools-shoestring	97.06% <ø> (ø)
wallet-common-core	97.06% <ø> (ø)
wallet-common-ethereum	99.01% <ø> (ø)
wallet-common-symbol	95.28% <ø> (ø)
wallet-mobile-symbol	96.16% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
explorer/puller/puller/db/NemDatabase.py	100.00% <ø> (ø)
explorer/puller/puller/facade/NemPuller.py	100.00% <100.00%> (ø)
explorer/rest/rest/__init__.py	99.57% <100.00%> (+0.11%)	⬆️
explorer/rest/rest/facade/NemRestFacade.py	100.00% <100.00%> (ø)
explorer/rest/rest/model/Transaction.py	100.00% <100.00%> (ø)
explorer/rest/rest/db/NemDatabase.py	99.62% <98.11%> (-0.38%)	⬇️

... and 146 files with indirect coverage changes

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[AnthonyLaw]

I'll rebase after you done review.
FYI @Wayonb

[Wayonb]

👍🏾