Add roleIdColumn config for UUID-based role systems

[dereuromark]

Summary

When using UUIDs as role identifiers instead of integer IDs, the hardcoded 'id' column in _getRolesFromDb() prevented proper role lookups from the database.

This adds a new roleIdColumn config option (defaults to 'id') that allows specifying the column used as the role identifier when reading roles from the database table.

Example

For UUID-based systems:

'TinyAuth' => [
    'roleColumn' => 'Role.uuid',
    'roleIdColumn' => 'uuid',
    'aliasColumn' => 'slug',
]

Changes

• Added roleIdColumn config option to Config.php (defaults to 'id')
• Updated AclTrait::_getRolesFromDb() to use the configurable column
• Updated docblock return type to array<int|string> to support UUIDs
• Added documentation in Authorization.md

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.68%. Comparing base (edc7ad9) to head (31d4e5b).
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Additional details and impacted files

@@             Coverage Diff              @@
##             master     #163      +/-   ##
============================================
+ Coverage     67.66%   67.68%   +0.02%     
- Complexity      620      621       +1     
============================================
  Files            29       29              
  Lines          1599     1600       +1     
============================================
+ Hits           1082     1083       +1     
  Misses          517      517              

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