feat(walletkit-ui): add authentication to store

[veralygit]

What this PR does / why we need it:

As titled

Which issue(s) does this PR fixes?:

Fixes #
#23

Additional comments?:

[codecov]

Codecov Report

Base: 66.00% // Head: 66.33% // Increases project coverage by +0.33% 🎉

Coverage data is based on head (1dadac6) compared to base (c48e641).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #83      +/-   ##
==========================================
+ Coverage   66.00%   66.33%   +0.33%     
==========================================
  Files          22       23       +1     
  Lines         700      707       +7     
  Branches      124      124              
==========================================
+ Hits          462      469       +7     
  Misses        229      229              
  Partials        9        9              

Impacted Files	Coverage Δ
packages/walletkit-ui/src/store/authentication.ts	100.00% <100.00%> (ø)

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[veralygit]

Closing PR for authentication as it is for specific cases