FLEX-6022: feat - added flex.local.com domain instead of localhost

[rishigupta-3]

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[codecov]

Codecov Report

❌ Patch coverage is 96.66667% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.84%. Comparing base (bdaf552) to head (b97b091).

Files with missing lines	Patch %	Lines
...ges/plugin-flex/src/commands/flex/plugins/start.ts	96.95%	4 Missing ⚠️
...ges/flex-plugin-webpack/src/webpack/webpack.dev.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1137      +/-   ##
==========================================
+ Coverage   89.76%   89.84%   +0.08%     
==========================================
  Files         146      146              
  Lines       14482    14541      +59     
  Branches      984      980       -4     
==========================================
+ Hits        12999    13064      +65     
+ Misses       1462     1456       -6     
  Partials       21       21              

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[shwet2407]

One minor comment. Otherwise looks good and thanks for the refactor! 👍