[DTPPSDK-1319]Add getExperimentation()

[xuanwan05]

Got

 __EXPERIMENTATION__: {
    __EXPERIENCE__: "1234, 4321";
    __TREATMENT__: "8765,7890";
  }

from global, then inside getExperimentation(), format it and return

experimation:{
    experience: "1234, 4321",
    treatment: "8765,7890"
}

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.12% 🎉

Comparison is base (048b2c7) 87.70% compared to head (e5b1c42) 87.83%.

❗ Current head e5b1c42 differs from pull request most recent head 4235bd8. Consider uploading reports for the commit 4235bd8 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #163      +/-   ##
==========================================
+ Coverage   87.70%   87.83%   +0.12%     
==========================================
  Files          20       20              
  Lines         480      485       +5     
  Branches       40       40              
==========================================
+ Hits          421      426       +5     
  Misses         59       59              

Flag	Coverage Δ
client	83.79% <100.00%> (+0.22%)	⬆️
server	100.00% <ø> (ø)

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Files Changed	Coverage Δ
src/types.js	100.00% <ø> (ø)
src/global.js	97.36% <100.00%> (+0.39%)	⬆️

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[spencersablan]

Hey Xuan! For this PR, we should only need the getExperimentation() function & the related tests. We will not need the changes to logger 😅

[ravishekhar]

💯