add blacklist functionality

[Coiling-Dragon]

Detailed description: Adds transaction block functionality for given addresses

Which issue(s) this PR fixes: Fixes #

Special notes for your reviewer:

Checklist

• [X] Documentation added
• [x] Tests updated

[codecov[bot]]

Codecov Report

Merging #869 (ad49fd0) into main (d2af69b) will increase coverage by 0.13%. The diff coverage is 62.76%.

@@            Coverage Diff             @@
##             main     #869      +/-   ##
==========================================
+ Coverage   63.51%   63.65%   +0.13%     
==========================================
  Files          82       83       +1     
  Lines        6376     6408      +32     
==========================================
+ Hits         4050     4079      +29     
- Misses       2123     2126       +3     
  Partials      203      203              

Flag	Coverage Δ
unittests	63.65% <62.76%> (+0.13%)	:arrow_up:

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

Impacted Files	Coverage Δ
...edera/mirror-node/model/transaction/transaction.go	100.00% <ø> (ø)
app/process/watcher/evm/watcher.go	35.23% <34.09%> (-0.02%)	:arrow_down:
app/process/watcher/transfer/watcher.go	53.74% <79.16%> (+1.07%)	:arrow_up:
config/bridge.go	88.03% <83.33%> (-0.67%)	:arrow_down:
app/helper/blacklist/blacklist.go	100.00% <100.00%> (ø)

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