Use superstruct for JSONRPC validation

[Mrtenz]

No description provided.

[codecov]

Codecov Report

Merging #42 (c4fe10d) into master (a29bc7a) will decrease coverage by 0.08%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #42      +/-   ##
==========================================
- Coverage   89.50%   89.42%   -0.09%     
==========================================
  Files          52       52              
  Lines         629      624       -5     
  Branches      103      102       -1     
==========================================
- Hits          563      558       -5     
  Misses         63       63              
  Partials        3        3              

Impacted Files	Coverage Δ
src/api/api.ts	93.93% <100.00%> (+0.39%)	⬆️
src/api/db.ts	98.70% <100.00%> (ø)
src/api/validators.ts	100.00% <100.00%> (ø)
src/utils/index.ts	100.00% <100.00%> (ø)

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[FrederikBolding]

[ch8186]

[shortcut-integration]

This pull request has been linked to Clubhouse Story #8186: Signer: Refactors Pre-MVP.