refactor(server): use reearthx auth middleware

[yk-eukarya]

No description provided.

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Name	Link
🔨 Latest commit	e1cdb59
🔍 Latest deploy log	https://app.netlify.com/sites/reearth-web/deploys/648167d7faa1860008e94f64

[codecov]

Codecov Report

Merging #468 (ebe0f94) into main (561ed86) will increase coverage by 0.01%.
The diff coverage is 18.75%.

❗ Current head ebe0f94 differs from pull request most recent head e1cdb59. Consider uploading reports for the commit e1cdb59 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #468      +/-   ##
==========================================
+ Coverage   26.70%   26.71%   +0.01%     
==========================================
  Files        1280     1279       -1     
  Lines      141298   141225      -73     
  Branches     3436     3436              
==========================================
+ Hits        37733    37735       +2     
+ Misses     102444   102369      -75     
  Partials     1121     1121              

Flag	Coverage Δ
server	36.20% <18.75%> (+0.09%)	⬆️

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

Impacted Files	Coverage Δ
server/internal/app/app.go	0.00% <0.00%> (ø)
server/internal/app/auth_client.go	0.00% <ø> (ø)
server/internal/app/config/config.go	43.85% <0.00%> (-0.79%)	⬇️
server/internal/app/config/auth.go	69.23% <23.07%> (-9.56%)	⬇️