refactor(web): config

[KaWaite]

Overview

config/index was getting a little messy, and the new implementation of AWS's cognito was being handled outside of loadConfig, so this PR refactors config and pulls cognito's configuration together with the rest of config.

What I've done

What I haven't done

How I tested

Which point I want you to review particularly

Memo

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[codecov]

Codecov Report

Merging #575 (8771cf1) into main (b1875e6) will decrease coverage by 0.01%.
The diff coverage is 73.88%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #575      +/-   ##
==========================================
- Coverage   28.49%   28.48%   -0.01%     
==========================================
  Files        1390     1392       +2     
  Lines      150118   150120       +2     
  Branches     3592     3591       -1     
==========================================
- Hits        42771    42769       -2     
- Misses     106195   106199       +4     
  Partials     1152     1152              

Flag	Coverage Δ
web	26.38% <73.88%> (-0.01%)	⬇️
web-beta	26.38% <73.88%> (-0.01%)	⬇️
web-classic	26.38% <73.88%> (-0.01%)	⬇️
web-utils	26.38% <73.88%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
web/src/main.tsx	0.00% <ø> (ø)
web/src/services/config/aws.ts	34.04% <34.04%> (ø)
web/src/services/config/index.ts	66.32% <60.00%> (-18.33%)	⬇️
web/src/services/config/defaultConfig.ts	100.00% <100.00%> (ø)
web/src/services/config/passwordPolicy.ts	100.00% <100.00%> (ø)