feat: server-side settings

[ErikBjare]

Continuing after #327

Depends on

• feat: added settings endpoints aw-server#147
• fix: rewrote settings logic to mimic aw-server-python behavior aw-server-rust#428

[codecov]

Codecov Report

Attention: 37 lines in your changes are missing coverage. Please review.

Comparison is base (608384c) 24.17% compared to head (7c9794a) 24.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #493      +/-   ##
==========================================
- Coverage   24.17%   24.00%   -0.18%     
==========================================
  Files          27       27              
  Lines        1580     1600      +20     
  Branches      275      279       +4     
==========================================
+ Hits          382      384       +2     
- Misses       1140     1156      +16     
- Partials       58       60       +2     

Files	Coverage Δ
src/queries.ts	51.30% <ø> (ø)
src/stores/activity.ts	29.20% <ø> (+0.10%)	⬆️
src/main.js	0.00% <0.00%> (ø)
src/util/awclient.ts	75.00% <33.33%> (-7.36%)	⬇️
src/stores/settings.ts	17.24% <2.94%> (-4.71%)	⬇️

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