Bug fixes

• Implementing changes as PAReview.
• Adding privacy policy text with data shared under project page GDPR.
• Changing default email settings from active to disabled on install.
• Using placeholders for text.
• Moving Controllers that are not pages to Services.
• Removing LoogerFactory to only implement our logs since these are used for statistical data and allow different retention times per log type.
• Removing mail message from since it's already set from Drupal.
• Applying naming conventions to functions.

Fix issues:

https://www.drupal.org/project/photo_albums/issues/3135061
https://www.drupal.org/project/photo_albums/issues/3135063

Also applied check for "bypass protected album protection" permission when viewing photo albums page.

fixed help hook

Development branch for 4.1.x

1. Add security advisory policy.
2. Permission issue fix for routing.
3. Translation string issue fix.

Drupal Coding standards fixed and document updated.