optimizer: add max num of thread in config

[andycheng123]

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[bbgokarma-bot]

Welcome back! @andycheng123, This pull request may get 240 BBG.

[codecov]

Codecov Report

Merging #753 (edfdb5b) into main (7031969) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #753      +/-   ##
==========================================
- Coverage   18.50%   18.49%   -0.01%     
==========================================
  Files         341      341              
  Lines       25761    25765       +4     
==========================================
  Hits         4766     4766              
- Misses      20513    20517       +4     
  Partials      482      482              

Impacted Files	Coverage Δ
pkg/optimizer/config.go	0.00% <0.00%> (ø)
pkg/optimizer/grid.go	0.00% <0.00%> (ø)
pkg/optimizer/local.go	5.49% <0.00%> (ø)

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[bbgokarma-bot]

Hi @andycheng123,

Well done! 250 BBG has been sent to your polygon wallet. Please check the following tx:

https://polygonscan.com/tx/0xc896a6b172dfff3e57b32ed843f359c4551a2265ba2b05721a899bf3aafa2b4e

Thank you for your contribution!