[ADD] Modernized the character, corporation, and alliance administrat…

[Geuthur]

Description

Changed

• Administration Card Styling & Update Sections: Modernized the character, corporation, and alliance administration cards with a responsive grid layout (auto-fill), circular portrait headers, dedicated error banners, detailed listing of individual update sections (e.g. Wallet Journal, Mining Ledger, Planets) with color-coded status dots (OK, Failed, Token Error, Pending), structured status badge rows with pulsing indicators for errors/issues, last synchronization timestamp, and aligned action buttons.

Type of Changes

Please select the type of changes made in this pull request:

• Bug Fix (non-breaking change which fixes an Issue)
• New Feature (non-breaking change)
• Other (please specify):

Checklist

Please ensure the following before submitting your pull request:

• I have read the contributing guidelines.
• My code follows the code style of this project.
• I have performed a self-review of my code.
• I have commented my code where necessary.
• All new and existing tests passed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@            Coverage Diff             @@
##           master     #360      +/-   ##
==========================================
+ Coverage   77.24%   77.39%   +0.15%     
==========================================
  Files          41       41              
  Lines        3554     3586      +32     
  Branches      360      365       +5     
==========================================
+ Hits         2745     2775      +30     
- Misses        667      669       +2     
  Partials      142      142              

Files with missing lines	Coverage Δ
ledger/api/administration.py	89.18% <100.00%> (+1.77%)	⬆️
ledger/api/schema.py	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

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